looking for net force of Q1

Looking For Net Force Of Q1

Answers

Answer 1

The net force is negative, which means it is directed towards q₂ and q₃, in the opposite direction to q1.

What is Coulomb's constant?

Coulomb's constant (k) is a proportionality constant found in Coulomb's law. Coulomb's law describes the electrostatic force between two point charges and states that the force is proportional to the product of the charges and inversely proportional to the square of the distance between them.

The mathematical expression for Coulomb's law is:

F = k *q₁* q₂ / r²

where F is the electrostatic force between two point-charges q1 and q2, separated by a distance r. The constant k is known as Coulomb's constant and has a value of approximately 9 × 10⁹ N·m²/C².

The net force on particle q1 is the vector sum of the forces exerted on it by particles q₂ and q₃, which can be calculated using Coulomb's law:

F12 = k * q₁ * q₂ / r₁₂²

F23 = k * q₂ * q₃ / r₂₃²

where k is Coulomb's constant (9 × 10⁹ N·m²/C²), r₁₂ and r₂₃ are the distances between q₁ and q₂, and q₂ and q₃, respectively.

Since the particles are in a straight line, the forces F₁₂ and F₂₃ will be in opposite directions and will cancel each other out to some extent. q1will have net force:

F net = F₁₂ +  F₂₃

To calculate the net force, we need to plug in the given values:

q₁ = -2.35 × 10⁻⁶ C

q₂ =-2.35 × 10⁻⁶ C

q₃= -2.35 × 10⁻⁶ C

r₁₂ = r23 = 0.100 m

Substituting these values, we get:

F₁₂ = (9 × 10⁹ N·m²/C²) * (-2.35 × 10⁻⁶ C)² / (0.100 m)²

= -4.396 N

F₂₃ = (9 × 10⁹ N·m²/C²) * (-2.35 × 10⁻⁶ C)² / (0.100 m)²

= -4.396 N

Therefore, the net force on q1 is:

F net = F₁₂ + F₂₃

= -4.396 N + (-4.396 N)

= -8.792 N

To know more about Coulomb's law, visit:

https://brainly.com/question/506926

#SPJ1


Related Questions

Where will the temperature most likely be the highest?
A. in a forest
B. in an open field
C. in the shade of a tree
D. in the shadow of a building

Answers

Option A because it’s the hottest out of all of them

Answer:

it's b

Explanation:

no shade, direct sunlight

Please help 50 points and Brainly

Answers

Answer: 1st one: chemical to mechanical to electrical to thermal

2nd: hydroelectric, 3rd: gravity

In this circuit, what is the potential difference across C4?
Use the following values in your calculation:
V = 12.0 V
C1 = 3.0 ?F
C2 = 2.0 ?F
C3 = 2.0?F
C4 = 1.0 ?F
C5 = 4.0 ?F
V4 =

Answers

The potential difference across C4 can be found using the equation V = V4 - V3. Using the given values, V = 12.0V, C1 = 3.0 ?F, C2 = 2.0 ?F, C3 = 2.0 ?F, C4 = 1.0 ?F, and C5 = 4.0 ?F, we can solve for V4.



V4 = 12.0V + (3.0 ?F + 2.0 ?F + 2.0 ?F + 1.0 ?F) / (1.0 ?F + 4.0 ?F)
V4 = 12.0V + (8.0 ?F / 5.0 ?F)
V4 = 12.0V + 1.6V
V4 = 13.6V
Therefore, the potential difference across C4 is 13.6V - 12.0V = 1.6V.
The potential difference across C4 can be determined using the formula Q = CV. Where Q represents the charge stored in the capacitor, C represents capacitance, and V represents the potential difference across the capacitorTo determine the potential difference across C4, we can use the formula Q = CV. To determine Q, we need to determine the equivalent capacitance of the circuit.

The equivalent capacitance of capacitors in parallel is equal to the sum of their capacitance. The equivalent capacitance of capacitors in series is equal to the reciprocal of the sum of their reciprocals.C1, C2, and C3 are in series, and their equivalent capacitance is given by:C_eq1=1/((1/C1)+(1/C2)+(1/C3))=1/(1/3+1/2+1/2)=3/7 μF{C_eq1=1/((1/C1)+(1/C2)+(1/C3))=1/(1/3+1/2+1/2)=3/7μF}C_eq2 is the equivalent capacitance of C4 and C5 in parallel.C_eq2=C4+C5=1+4=5μF {C_eq2=C4+C5=1+4=5μF}

Now we can determine the equivalent capacitance of the entire circuit.C_eq=C_eq1+C_eq2=3/7+5=38/7μF{C_eq=C_eq1+C_eq2=3/7+5=38/7μF}Now, we can determine the charge stored in the circuit.Q=C_eqV=38/7*12= 65.14μC{Q=C_eqV=38/7*12=65.14μC}To determine the potential difference across C4, we can use the formula Q = CV.V=C4Q/C4= 65.14/1 = 65.14V{V=C4Q/C4=65.14/1=65.14V}Therefore, the potential difference across C4 is 65.14 V.

For more such questions on potential difference

https://brainly.com/question/3535763

#SPJ11

A 1.5kg block is held in place and compresses a 150N/m spring by 30cm from its relaxed position. The block is then released. What speed will the block have at the instant when the spring is no longer compressed?

Answers

Answer: simple harmonic motion

Simple harmonic motion. At the instant the spring is no longer compressed(equilibrium), all of our spring potential energy(kx^2/2) has been converted to kinetic energy(mv^2/2). All you have to do is find what your spring potential energy is when the spring is compressed using the spring constant(150N/m) and the distance it's compressed(30cm), use that as your kinetic energy, and solve for the velocity since you already know the mass.

Constants I Periodic Table Suppose two parallel-plate capacitors have the same charge Q, but the area of capacitor 1 is A and the area of capacitor 2 is 2A

Answers

Two parallel-plate capacitors with the same charge Q but different areas (A and 2A) can be compared by looking at the capacitance. The capacitance of the second capacitor is double that of the first due to the increase in area.

Two parallel-plate capacitors with the same charge Q but different areas (A and 2A) can be compared by looking at the capacitance, which is defined as the ratio of the charge stored on the capacitor to the voltage applied across the plates. The capacitance C of a capacitor is given by the equation C=Q/V. Therefore, the capacitance of the first capacitor, C1, is C1=Q/V, and the capacitance of the second capacitor, C2, is C2=(2Q)/V. It is seen that the capacitance of the second capacitor is double that of the first. This is because the area of the second capacitor is double that of the first. Therefore, the same charge Q stored on the first capacitor is distributed over twice the area in the second capacitor, resulting in the capacitance being double. This can be mathematically expressed as C2 = 2C1. Thus, two parallel-plate capacitors with the same charge Q but different areas (A and 2A) can be compared by looking at the capacitance. The capacitance of the second capacitor is double that of the first due to the increase in area.

To learn more about Capacitors :

https://brainly.com/question/27753307

#SPJ11



Which of the following LEAST LIKELY affects or is the result of circulation of surface water in the oceans?
A. Trade winds
B. Gyres that circulate clockwise in the Atlantic and Pacific oceans
C. Energy from the Sun
D. Coriolis force
E. Katabatic winds

Answers

D. Coriolis force is the least likely to affect or be the result of circulation of surface water in the oceans. The Coriolis force is an inertial force that affects the movement of large masses of air or water, but it does not cause the surface water in the oceans to circulate.

The other four choices, A. Trade winds, B. Gyres that circulate clockwise in the Atlantic and Pacific oceans, C. Energy from the Sun, and E. Katabatic winds, all have an effect on surface water circulation. For example, trade winds push the surface water of the ocean from east to west, gyres circulate in a clockwise direction, energy from the Sun evaporates surface water, and katabatic winds push down cooler air from the mountains to the sea.


C. Energy from the Sun is the least likely factor to affect or result from the circulation of surface water in the oceans. The circulation of surface water in the ocean is primarily caused by the combined effect of wind, Earth’s rotation, and the ocean’s topography. Therefore, the option C. Energy from the Sun least likely affects or is the result of circulation of surface water in the oceans.The other factors mentioned are known to affect the circulation of surface water in the oceans. Wind is one of the primary factors that drive the ocean currents, which is also responsible for the movement of warm and cold water from one region to another.

Wind-generated ocean currents that set water into motion by blowing on its surface, cause water to move from one region to another. The Coriolis effect results in the formation of gyres in the oceans, which are also responsible for the circulation of surface water. Katabatic winds are responsible for mixing and churning up the water. In conclusion, the ocean current is a combination of several factors that work together to move the water from one place to another.

For more such questions on inertial

https://brainly.com/question/9114266

#SPJ11

A crane lifts an object weighing 25000N up with a constant speed of 0.8m/s. calculate the capacity of that crane

Answers

The capacity of a crane refers to the maximum weight it can lift. In this case, the crane is lifting an object weighing 25000N (Newtons) with a constant speed of 0.8m/s.

To calculate the capacity of the crane, we need to use the formula:

Capacity = Force × Distance ÷ Time

In this case, the force is the weight of the object, which is 25000N. The distance is the height to which the object is lifted, which is not given in the problem statement. Therefore, we cannot determine the exact capacity of the crane.

However, we can use the given speed of 0.8m/s to estimate the height to which the object is lifted.

Let's assume that the crane lifts the object to a height of "h" meters. Then, the time taken by the crane to lift the object to this height is:

Time = Distance ÷ Speed

Time = h ÷ 0.8

Now, we can substitute the values of force, distance, and time into the formula to get the capacity of the crane:

Capacity = Force × Distance ÷ Time

Capacity = 25000 × h ÷ (h ÷ 0.8)

Capacity = 25000 × 0.8

Capacity = 20000 N

Therefore, the capacity of the crane is approximately 20000 N

A high-wire artist missteps and falls 9.2 m to the ground. What is her velocity upon landing (just before she strikes the ground)?

Answers

Answer:

Explanation:

We can use the kinematic equation to find the velocity of the high-wire artist just before she strikes the ground:

vf^2 = vi^2 + 2ad

where vf is the final velocity (the velocity just before she strikes the ground), vi is the initial velocity (which we can assume is 0), a is the acceleration due to gravity (which is approximately 9.81 m/s^2), and d is the distance fallen (which is 9.2 m).

Plugging in the values, we get:

vf^2 = 0 + 2(9.81 m/s^2)(9.2 m)

Simplifying:

vf^2 = 180.24 m^2/s^2

Taking the square root of both sides:

vf = 13.43 m/s

Therefore, the velocity of the high-wire artist just before she strikes the ground is 13.43 m/s.

Answer:

Below

Explanation:

Explanation:

Her POTENTIAL energy (mgh)

      will be converted to KINETIC energy (1/2 mv^2)

so

mgh = 1/2 mv^2     divide both sides of the equation by m

gh = 1/2 v^2         solve for 'v'

v = sqrt ( 2 g h)   = sqrt ( 2 * 9.81 * 9.2 ) = 13.4 m/s

a tennis ball is dropped from a height of 1.21 m above the ground. calcualte its velocity when it is 0.27m from the ground

Answers

The velocity of the tennis ball when it is 0.27m from the ground is approximately 3.39 m/s.

What is velocity?

To calculate the velocity of the tennis ball when it is 0.27m from the ground, we can use the principle of conservation of mechanical energy, which states that the total mechanical energy of an object is conserved when it moves through a conservative force field, such as gravity.

At the initial position, the ball has potential energy due to its position above the ground, but no kinetic energy as it is at rest. At the final position, the ball has no potential energy (since it is at the same height as the ground), but it has kinetic energy due to its motion. Assuming that air resistance is negligible, the initial potential energy is converted into final kinetic energy, so we can equate these energies:

mgh = (1/2)mv²

where m is the mass of the ball, g is the acceleration due to gravity, h is the initial height of the ball above the ground, and v is the velocity of the ball when it is 0.27m from the ground.

We can rearrange this equation to solve for v:

v = √(2gh)

Substituting the given values, we get:

v = √(2 x 9.81 m/s² x (1.21 m - 0.27 m)) = 3.39 m/s

Therefore, the velocity of the tennis ball when it is 0.27m from the ground is approximately 3.39 m/s.

To know more about velocity, visit:

https://brainly.com/question/17127206

#SPJ1

I actually have 3 questions. >33

1. Write about a time when you felt very cold and did something to make yourself feel warm, or a time when you felt hot and did something to cool yourself down. What caused the heat to transfer from one place to another place? How did this transfer of heat cause a change in temperature?

2. Why is the temperature of the liquid in the flask on the previous page measured when the liquid in the thermometer has stopped rising?

3. How can the thermometer in the flask on the previous page be used to demonstrate the relationship between heat transfer and kinetic energy? Explain.

Answers

When you contact anything hot, the heat is transmitted from the object to your hand, making it feel hot. When you contact something cold, heat is transmitted from your hand to the object, making it feel chilly.

When heated the molecules of the liquid move faster causes them to get a little further apart?

when heated, the molecules of the liquid in the thermometer move faster, causing them to get a little further apart. this results in movement up the thermometer. when cooled, the molecules of the liquid in the thermometer move slower, causing them to get a little closer together.

When the liquid in the thermometer is heated, the molecules move quicker, forcing them to move wider apart. This causes the thermometer to rise. When the liquid in the thermometer is chilled, the molecules travel slower, leading them to get closer together.

Learn more about heat

https://brainly.com/question/1429452

#SPJ1

Use the work energy theorem to rank the final kinetic energy of a ball based on the initial kinetic energy Ki, the magnitude of a constant force F on the ball, the displacement of the ball, d and the angle, theta between the displacement of the ball and the net force on the ball. Rank from greatest kinetic energy (1) to least kinetic energy (4).

a) Ki=150J F=10N d=15m theta=90 degrees
b) Ki=300J F=200N d=1.5m theta=180 degrees
c) Ki=200J F=25N d=4m theta=0 degrees
d) Ki=450J F=15N d=30m theta=150 degrees​

Answers

Answer:

Explanation:

The work-energy theorem states that the net work done on an object is equal to its change in kinetic energy. Therefore, we can use this theorem to calculate the final kinetic energy of the ball in each case.

We know that the work done by a constant force is given by the equation W = Fd cos(theta), where F is the magnitude of the force, d is the displacement of the ball, and theta is the angle between the force and displacement vectors.

Using the work-energy theorem, we can write:

W = ΔK = Kf - Ki

where ΔK is the change in kinetic energy, Kf is the final kinetic energy, and Ki is the initial kinetic energy.

We can rearrange this equation to solve for Kf:

Kf = Ki + W = Ki + Fd cos(theta)

a) Kf = 150 J + (10 N)(15 m)cos(90°) = 150 J

b) Kf = 300 J + (200 N)(1.5 m)cos(180°) = 0 J

c) Kf = 200 J + (25 N)(4 m)cos(0°) = 300 J

d) Kf = 450 J + (15 N)(30 m)cos(150°) = 112.5 J

Ranking from greatest to least final kinetic energy:

c) Ki=200J F=25N d=4m theta=0 degrees

a) Ki=150J F=10N d=15m theta=90 degrees

d) Ki=450J F=15N d=30m theta=150 degrees​

b) Ki=300J F=200N d=1.5m theta=180 degrees

I'd like help with this question

Answers

the given values, we get va = sqrt((350 kg * 9.81 m/s² - 0)))

Since the cable is inextensible, the distance moved by both blocks is the same.

Let's denote the distance moved by both blocks as "d". Then, the distance moved by block A is "1m + d" to the right.

Using conservation of energy, we can write:

(1/2) * ma * va² + (1/2) * mb * vb²= (ma + mb) * g * d

where ma and mb are the masses of blocks A and B, va and vb are their velocities, and g is the acceleration due to gravity.

Since the system is released from rest, va = 0, and we can solve for vb:

(1/2) * mb * vb²= (ma + mb) * g * d

vb²= 2 * (ma + mb) * g * d / mb

vb = sqrt(2 * (ma + mb) * g * d / mb)

Now, we need to find the velocity of block A after it has moved 1m + d to the right. To do this, we can use the equations of motion. Since block A is moving to the right, we take the positive x direction to be to the right. Then, we have:

ma * a = T - fa

where a is the acceleration of block A, T is the tension in the cable, and fa is the frictional force acting on block A due to the incline.

The tension in the cable is the same throughout, so we can write:

T = mb * g

The frictional force fa can be calculated using:

fa = µ * ma * g * cos(theta)

where µ is the coefficient of friction, theta is the angle of the incline, and cos(theta) = 1/sqrt(2) since the incline makes a 45 degree angle with the horizontal.

Substituting these values, we get:

ma * a = mb * g - µ * ma * g / sqrt(2)

Solving for a, we get:

a = (mb * g - µ * ma * g / sqrt(2)) / ma

Now, we can use the equations of motion again to find the final velocity of block A after it has moved 1m + d to the right. We have:

d = (1/2) * a * t²

where t is the time taken by block A to move 1m + d to the right.

Substituting the value of a, we get:

d = (1/2) * [(mb * g - µ * ma * g / sqrt(2)) / ma] * t²

Solving for t, we get:

t = sqrt(2 * d * ma / (mb * g - µ * ma * g / sqrt(2)))

Finally, we can use the equations of motion again to find the final velocity of block A. We have:

1m + d = (1/2) * a * t²

Substituting the values of a and t, we get:

1m + d = (1/2) * [(mb * g - µ * ma * g / sqrt(2)) / ma] * [2 * d * ma / (mb * g - µ * ma * g / sqrt(2))]²

Solving for the final velocity of block A, we get:

va = sqrt((mb * g - µ * ma * g / sqrt(2)) / ma * (1m + d) / 2)

Substituting the given values, we get:

va = sqrt((350 kg * 9.81 m/s² - 0

To know more about velocity visit :-

https://brainly.com/question/80295

#SPJ1

If pulse 1 were reflected from a wall, which one of the patterns above would represent the reflected pulse? A) 1 B) 2 C) 3 D) 4 E) 5

Answers

If pulse 1 is reflected from a wall, pattern 2 would represent the reflected pulse. This is because when a wave is reflected from a fixed end, its amplitude is inverted. So, pattern 2 represents the reflection of pulse 1 from a fixed end.

A pulse is a short burst of energy that travels through space or matter. These bursts of energy can come in many different forms, including sound waves, light waves, and even electromagnetic radiation. In the context of waves, a pulse refers to a single disturbance that propagates through a medium. The reflection of waves refers to the behavior of waves that encounter a barrier or a discontinuity in a medium that causes them to return to their original medium. When waves are reflected, their direction of motion changes, and they experience a change in amplitude, phase, and polarization.

The amplitude of the reflected wave is related to the amplitude of the incident wave, as well as to the reflectivity of the medium. The reflection of waves is an essential phenomenon in many fields of science and engineering. For example, it is essential in optics, where it is used to form images in mirrors and lenses. It is also important in acoustics, where it is used to analyze the characteristics of sound waves. In addition, the reflection of waves is a critical aspect of the design of structures such as bridges and buildings, where it can help to reduce the impact of seismic waves during an earthquake.

To learn more about Amplitude ;

https://brainly.com/question/3613222

#SPJ11

What type of electromagnetic wave is sent as a signal by a cell phone to the
nearest cell tower?
A. Gamma rays
B. Microwaves
C. X-rays
D Ultraviolet

Answers

Answer:B. Microwaves

Explanation:

Hope this helped you. Pls brainliest! :D

Please do help me. Nonsense answers will be reported.

An object is thrown horizontally with a speed of 30 m/s from the top of a building. Complete the table below for the indicated time interval. Use g≈ 10 m/s²)​

Answers

The time that was taken for the movement of the item is observed as 3 seconds.

How do you use the equations of motion?

The equations of motion describe the motion of objects in terms of their position, velocity, acceleration, and time.

For the equation;

v = u + at

This equation relates the final velocity (v) of an object to its initial velocity (u), acceleration (a), and time (t). If three of these variables are known, the equation can be rearranged to solve for the unknown variable.

We know that;

v = u - gt

We know that the object would come to rest after being thrown.

0 = 30 - 10t

-30 = - 10t

t = 3 seconds

Learn more about equations of motion:https://brainly.com/question/29278163

#SPJ1

What are density and volume?

Simple explanation please​

Answers

Answer:

Explanation:

Density is a measure of how much mass is contained in a given volume. It is the amount of matter (mass) in a given space (volume). Density is usually expressed in units of mass per unit of volume, such as kilograms per cubic meter (kg/m³) or grams per milliliter (g/mL).

Volume is the amount of space occupied by an object or substance. It is the measurement of the three-dimensional space occupied by an object, substance, or material. Volume can be measured in different units, such as liters (L), cubic meters (m³), or cubic feet (ft³), depending on the scale of the object being measured.

Answer ....Volume refers to the measurement of the amount of three-dimensional space occupied by an object. Unlike mass, volume changes according to the external conditions. Density refers to the mass contained in a substance for a given volume. It explains the relationship between mass and volume

Which one of the following types of electromagnetic radiation is produced by the sudden deceleration of high speed electrons?
a.x-rays
b.microwaves
c.infrared radiation
d.visible light
e.gamma rays

Answers

The correct answer is a. x-rays is produced by the sudden deceleration of high speed electrons.

What is x-rays?

When high-speed electrons are suddenly decelerated or slowed down, they release energy in the form of electromagnetic radiation. This process is known as bremsstrahlung or "braking radiation". The energy of the emitted radiation depends on the initial speed of the electrons and the degree of deceleration.

In the case of bremsstrahlung, the emitted radiation can range from radio waves to gamma rays, but the highest energy radiation produced by bremsstrahlung is x-rays. Therefore, the sudden deceleration of high-speed electrons produces x-rays.

X-rays are ionizing radiation, meaning that they have enough energy to remove electrons from atoms or molecules, which can cause damage to living tissue. Therefore, exposure to X-rays should be limited and controlled to minimize health risks.

To know more about x-rays, visit:

https://brainly.com/question/29790297

#SPJ1

Complete question is: x-rays is produced by the sudden deceleration of high speed electrons.

Adult brains are not capable of neurogenesiss . True False

Answers

False. Adult brains are capable of neurogenesis, which is the process of generating new neurons (nerve cells) in the brain. Although it was previously believed that neurogenesis only occurred during early development, research has shown that certain regions of the brain, such as the hippocampus, continue to produce new neurons throughout adulthood. However, the rate of neurogenesis in adults is much lower than in developing brains

Answer:

False. Adult brains are capable of neurogenesis, which is the process of generating new neurons (nerve cells) in the brain. Although it was previously believed that neurogenesis only occurred during early development, research has shown that certain regions of the brain, such as the hippocampus, continue to produce new neurons throughout adulthood. However, the rate of neurogenesis in adults is much lower than in developing brains

EX :SOMEONE FATHER TODAY YOUR FATHER DOES,T KNOW ABOUT TECH OR ANY SAMRT APPS BUT HE KNOW BETTER N HIS GENRATON

Janine hits a hockey puck across an ice rink. The distance between the puck and Janine for the first ten seconds after she hits it is graphed below.



Judging from the graph, which of the following statements is true?
A.
The hockey puck moved at a constant speed away from Janine.
B.
The hockey puck's speed decreased as it moved away from Janine.
C.
The hokey puck moved at a constant speed toward Janine.
D.
The hockey puck's speed increased as it moved away from Janine.

Answers

A. The hockey puck moved at a constant speed away from Janine.

When the hockey puck is skating across the ice at a constant speed?

The hockey puck is in equilibrium as a result of moving at a steady pace. Dynamic equilibrium is the name given to this form of equilibrium. Hence, if the hockey puck is moving over the ice at a constant pace, it is in equilibrium.

Is velocity merely the direction in which an object moves and unrelated to speed?

There is no connection between velocity and speed; velocity is the direction that an object moves in. Velocity is the combination of speed and direction. Speed and velocity are very similar to each other.

Which of Newton's equations of motion best describes the motion of a hockey puck sliding through ice without any external forces acting on it?

The sum of the forces exerted on an object must be zero since, in accordance with Newton's first law of motion, an object moving at a constant speed experiences no net external force.

To know more about the hockey puck visit:

https://brainly.com/question/11488312

#SPJ1

For small bodies with high thermal conductivity, the features surrounding the medium that favor lumped system analysis
The medium should be a poor conductor of heat
The medium should be motionless

Answers

Small bodies with high thermal conductivity, the medium should be a poor conductor of heat and should be motionless in order to favour lumped system analysis.

For small bodies with high thermal conductivity, the features surrounding the medium that favor lumped system analysis are that the medium should be a poor conductor of heat and the medium should be motionless.

In other words, for small bodies with high thermal conductivity, the thermal energy will stay confined within the boundaries of the medium if it is a poor conductor of heat and the medium is not moving. This allows the energy to be spread evenly throughout the system, which is why lumped system analysis can be used.

Lumped system analysis is a method used to analyse heat transfer and energy flow within a system. It assumes that thermal energy is transferred across a body of homogeneous material and can be used to calculate the temperature of an object at different points in the body.

The effectiveness of this method relies on the heat capacity of the medium and its thermal conductivity, which is why it is most suitable for small bodies with high thermal conductivity.

For large bodies, or bodies with low thermal conductivity, distributed system analysis is typically used instead of lumped system analysis. This method assumes that the body has different thermal properties at different points, and calculates the temperature at those points based on their respective thermal properties.

For similar questions on thermal conductivity

https://brainly.com/question/29419715

#SPJ11

Commercially available large wind turbines blade span diameters larger than 100 m and over 3 MW of electric power at peak design have generate conditions. Consider a wind turbine with a 75-m blade span subjected to 25-km/h steady winds. If the combined turbine–generator effi- ciency of the wind turbine is 32 percent, determine (a) the power generated by the turbine and (b) the horizontal force exerted by the wind on the supporting mast of the turbine. Take the density of air to be 1.25 kg/m3, and disregard frictional effects on the mast.

Answers

The horizontal force that was exerted by the wind on the mast based on the power is 67.3KN.

What is the force?

Blade Stan, d = 75m

Radius of Blade, r = 75m

wind velocity, V = 30 km/h V = 8.333 m/s

Turbine Generator efficiency or Power Co-efficient ((p) = 32% 0.32.

Flow rate across the turbine (in) = 125X8.333X X (75) 2 m

= 46017.583 kg/s

Air Exit velocity, Ve = V×√1 - Nterbine

Ve = 8.333 x √1 1- 0.32

Ve = 6.872 mls

Horizental force in x-direction (F); -

Fx = m (ve-v)

Fx = 46017-583X(6-872-8.333) = 67265.381 N

The Horizental force Extered on the Supporting mast F = -F F= 67.2654 KN

Learn more about power on:

https://brainly.com/question/2248465

#SPJ1

Determine the horizontal force that was exerted by the wind on the mast base

problem 1
A train starts at rest, accelerates with constant acceleration a for 5minutes,then travels at constant speed for another 5minutes,and the decelerates with a.suppose it travels a distance of 10km in all find a
problem 2
A ball is dropped from a height of 10m.At the same time, another ball is thrown vertically upwards at an initial speed of 10m/sec.How high above the ground will the two balls collide
problem 3
find the resultant of the two velocity vectors and also, find the angle that the resultant makes with the vector ​

Answers

The constant acceleration of the train is 50/9 m/s².

The two balls will collide at a height of approximately 10.204 meters above the ground.

How to calculate the value

Using the kinematic equations of motion, we have:

distance = initial velocity * time + 1/2 * acceleration * time^2

For the first phase of acceleration, the initial velocity is zero, the time is 5 minutes = 300 seconds, and the distance traveled is unknown. So we have:

d1 = 0 + 1/2 * a * (300)^2

For the second phase of constant speed, the initial velocity is v, the time is 5 minutes = 300 seconds, and the distance traveled is also unknown. So we have:

d2 = v * 300

For the third phase of deceleration, the initial velocity is v, the time is also 5 minutes = 300 seconds, and the distance traveled is again unknown. So we have:

d3 = v * 300 + 1/2 * (-a) * (300)^2

The total distance traveled is the sum of these three distances:

distance = d1 + d2 + d3 = 1/2 * a * (300)^2 + v * 600 - 1/2 * a * (300)^2 = v * 600

Since the total distance traveled is given as 10 km = 10000 m, we have:

v * 600 = 10000

Solving for v, we get:

v = 10000/600 = 50/3 m/s

Now we can use the second equation above to find a:

d2 = v * 300 = (50/3) * 300 = 5000 m

Therefore, the constant acceleration of the train is:

a = 2 * (5000 - 1/2 * a * (300)^2) / (300)^2 = 50/9 m/s^2

The constant acceleration of the train is 50/9 m/s^2.

Problem 2: The height of the first ball dropped is given as 10m. Let's assume the height of the collision point is h meters above the ground.

Using the kinematic equation for free fall, we have:

h = 10 + 1/2 * g * t^2

where g is the acceleration due to gravity, which is approximately 9.81 m/s^2, and t is the time it takes for the second ball to reach the collision point after being thrown upwards.

The initial upward velocity of the second ball is 10 m/s, and we know that at the collision point, its velocity will be zero, since it will have reached its maximum height and will be momentarily at rest before falling back down.

Using the kinematic equation for motion with constant acceleration, we have:

0 = 10 + (-g) * t

Solving for t, we get:

t = 10/g = 10/9.81 seconds

Substituting this value of t into the first equation, we get:

h = 10 + 1/2 * 9.81 * (10/9.81)^2

Simplifying, we get:

h = 10.204 m

The two balls will collide at a height of approximately 10.204 meters above the ground.

Learn more about acceleration on;

https://brainly.com/question/14344386

#SPJ1

I’m so stuck I’ve attempted these questions so many times I really don’t know

Answers

Answer:

1st one 3N to the left to achieve equilibrium

2nd one 5N to the left to achieve equilibrium

3rd one 2N to the top to achieve equilibrium

4th one 8N to the right to achieve equilibrium

Explanation:

Use the work energy theorem to rank the final kinetic energy of a ball based on the initial kinetic energy Ki, the magnitude of a constant force F on the ball, the displacement of the ball, d and the angle, theta between the displacement of the ball and the net force on the ball. Rank from greatest kinetic energy (1) to least kinetic energy (4).

a) Ki=150J F=10N d=15m theta=90 degrees
b) Ki=300J F=200N d=1.5m theta=180 degrees
c) Ki=200J F=25N d=4m theta= 0 degrees
d) Ki=450J F=15N d=30m theta=150 degrees​

Answers

Explanation:

hope its help thank you

follow nyo po me

A person with a mass of 55.0 kg jumps straight upwards, gaining 820.0 J of gravitational potential energy. How high did the person jump?

Answers

m=55.0 D=820 so were are looking for the velocity ? v= m\d V = 55.0*820 =45100 ...

5. In the diagram below, Aircraft A is flying East and maintaining a groundspeed of 340 kt (a kt = speed of 1 NM / hr). Aircraft B is flying in the same direction as aircraft A but 210 NM ahead, maintaining a ground speed of 280 kt. Aircraft A will catch Aircraft B at Point ‘X’. What distance will Aircraft B have travelled when this event occurs?

Answers

For the event to occur, Aircraft B will have travelled a distance of 980 NM.

How to calculate distance?

Since Aircraft A is flying East, we can assume that the positive direction is to the East and negative direction is to the West. Let's assume that the position of Aircraft A is x and position of Aircraft B is x + 210 NM.

Let t be the time it takes for Aircraft A to catch up with Aircraft B. At that moment, both aircraft will be at the same position, so:

distance traveled by Aircraft A = distance traveled by Aircraft B

Ground speed x time = Ground speed x time + 210

Using the given ground speeds, we can set up the equation as:

340t = 280t + 210

60t = 210

t = 3.5 hours

Therefore, Aircraft B will have traveled a distance of:

distance = ground speed x time

distance = 280 kt x 3.5 hr

distance = 980 NM

So, Aircraft B will have traveled 980 NM when Aircraft A catches up with it at Point X.

Find out more on Aircraft here: https://brainly.com/question/31362675

#SPJ1

while it is important to keep the two power supplies separate when powering a dc motor it is also necessary to connect

Answers

It is important to connect the two power supplies of a DC motor in order to prevent the motor from being damaged. By connecting the two power supplies, current can flow from one to the other, allowing the motor to be properly powered.

When powering a DC motor, it is important to keep the two power supplies separate to ensure safety and avoid damaging the motor. However, it is also necessary to connect the two power supplies with a common ground.

A DC motor is an electric motor that runs on direct current (DC) electricity. It works on the principle of electromagnetic induction and is widely used in industrial and household applications for various purposes, such as driving machinery and appliances.

know more about DC motor here:

https://brainly.com/question/28097463

#SPJ11

A spring of spring constant k=8.25N/m is displaced from equilibrium by a distance of 0.150 m. What is the stored energy in the form of spring potential energy?

Answers

PE is the potential energy stored in the spring, k is the spring constant, and x is the  PE is the potential energy stored in the spring, k is the spring constant, and x is the displacement from equilibrium.

What is a displacement?

Displacement is a vector quantity that describes the overall change in position of an object from its initial position to its final position. It is a vector because it has both magnitude (the distance between the initial and final positions) and direction (the direction from the initial position to the final position).

For example, if an object moves from point A to point B, its displacement is the vector that points from A to B, regardless of the path taken to get there. Displacement can be positive, negative, or zero, depending on the direction of the vector.

Displacement is often used in kinematics, which is the study of motion without considering the forces that cause the motion. It is a key concept in describing the motion of objects in one, two, or three dimensions.

To know more about  displacement visit :

https://brainly.com/question/30087445

#SPJ1

could someone help me with B?
i have the mark scheme i just don't know how they got that answer ​

Answers

Answer:

Explanation:

Distance is the total length of the path taken from point A to B (the total distance of the whole curvy train route).

Displacement is the straight-line distance from the start point to the end point.  Draw a straight line from A to B, then measure it in exact cm.  Multiply your measurement in cm by 5 to get the answer in km.

Determine the linear velocity of blood in the aorta with a radis of 1.5 cm, if the duration of systole is 0.25 s, the stroke volume is 60 ml.

Answers

Answer:

The linear velocity of blood in the aorta can be calculated using the equation:

v = Q / A

where v is the linear velocity, Q is the volume flow rate, and A is the cross-sectional area of the vessel.

The volume flow rate Q can be calculated using the equation:

Q = SV / t

where SV is the stroke volume and t is the duration of systole.

The cross-sectional area of the aorta can be calculated using the equation:

A = πr^2

where r is the radius of the aorta.

Given that the radius of the aorta is 1.5 cm, the stroke volume is 60 ml, and the duration of systole is 0.25 s, we can calculate the volume flow rate Q:

Q = SV / t = 60 ml / 0.25 s = 240 ml/s

Converting the units of Q to cm^3/s:

Q = 240 ml/s × 1 cm^3/1 ml = 240 cm^3/s

We can then calculate the cross-sectional area of the aorta:

A = πr^2 = π × (1.5 cm)^2 = 7.07 cm^2

Finally, we can calculate the linear velocity of blood in the aorta:

v = Q / A = 240 cm^3/s / 7.07 cm^2 = 33.9 cm/s

Therefore, the linear velocity of blood in the aorta is 33.9 cm/s.

Other Questions
Terri Vogel, an amateur motorcycle racer, averages 129.77 seconds per 2.5 mile lap (in a 7 lap race) with a standard deviation of 2.26 seconds. The distribution of her race times is normally distributed. We are interested in one of her randomly selected laps. (Source: log book of Terri Vogel) Let X be the number of seconds for a randomly selected lap. Round all answers to 4 decimal places where possible. a. What is the distribution of X?XN(___________, _________). b. Find the proportion of her laps that are completed between 131.69 and 134.04 seconds________.c. The fastest 4% of laps are under__________seconds.d. The middle 70% of her laps are from seconds________ to_________ seconds. select all that apply when professionals with hub mvss listen to business presentations, they respond best to which of the following? (choose every correct answer.) multiple select question. language that presents several options brash, confident language bottom-line performance measures presentations that hold clear business logic a parachutist rate during a free fall reaches 132 feet per second. what is this rate in meters per second? at this rate, how many meters will the parachutist fall during 10 seconds of free fall. in your computations, assume that 1 meter is equal to 3.3 feet. (do not round your answer) Consider a square whose side-length is one unit. Select any five points from inside this square. Prove that at least two of these points are within squareroot 2/2 units of each other. kant rejected the utilitarian approach to morality because... group of answer choices a. it placed an insufficient priority on acting with integrity b. an action that is maliciously intended, may be deemed a moral act if it turns out that the consequences are good. c. it would hold the moral agent responsible for things that they can neither know with certainty nor control. d. it holds the highest good as happiness, which kant argued was asking too little of ourselves all of the above Four swimmers are training for a relay race. Each day they practice by swimming at least 1,600 yards total. The friends evenly divide the number of yards they swim.Write and solve an inequality to determine how many yards each friend will swim. Show all your work. look at this square: 2 mm 2 mm if the side lengths are tripled, then which of the following statements about its area will be true? 1 pts which of the following features distinguishes a lan from a wan? group of answer choices a wan has a limit on the number of users. a wan has low bandwidth. a lan is bigger than a wan. a lan has stringent hardware requirements. a lan connects computers in a single location. Question 11The Invasion of the LionfishWhat was once just an attractive aquarium fish has recently become one of the biggest menaces in the Atlantic. The lionfish was accidentally introduced into the Atlantic Ocean in the 1990s. Because it has no natural predators, it has adapted quickly to its new home. The lionfish now threatens to destroy native fish populations in the Atlantic, Caribbean, and Gulf of Mexico.The lionfish spreads quite rapidly. Lionfish spread faster than any other invading species. Experts have called the invasion in the Atlantic the worst marine invasion of all time. The lionfish's success comes from an ability to reproduce all year round. In addition, they are greedy eaters with a fondness for small fish and crustaceans. They will eat anything smaller than they are. Lionfish love the warm waters of the Gulf of Mexico. Since their first sighting, they have rapidly multiplied. In some locations, scientists estimate that lionfish populations exploded by 700 percent between 2004 and 2008 alone.To combat the invasion, wildlife agencies have sponsored lionfish derbies. In these derbies, local scuba divers are invited to harvest lionfish. In addition, many states offer recipes for preparing and eating lionfish to encourage harvesting. Lionfish have to be handled carefully because of their venomous spines, but they are apparently delicious. Increasing the harvest of lionfish will help. However, scientists estimate that more than a quarter of the population would have to be taken every month to stop the growing population.The lionfish has targeted our most fragile and important ecosystems. Scientists are working tirelessly to learn as much as they can about this predator. We may never be able to completely remove the threat, but many fishermen and seafood fans are hoping we can figure out how to control it.Work CitedWilcox, Christie. "The Worst Marine Invasion Ever." Slate. July 1, 2013.In the last paragraph, which line tells us that the lionfish population will likely keep growing? (5 points) aThe lionfish has targeted our most fragile and important ecosystems. bScientists are working tirelessly to learn as much as they can about this predator. cWe may never be able to completely remove the threat. dMany fishermen and seafood fans are hoping we can figure out how to control it. Match each figurative language device to its correct definition. Match Term Definition Alliteration A) A brief and indirect reference to a person, place, thing, or idea of historical, cultural, literary, or political significance Allusion B) The repetition of usually initial consonant sounds in two or more neighboring words or syllables Hyperbole C) Exaggerated statements or claims not meant to be taken literally Metaphor D) A word or phrase for one thing that is used to refer to another thing in order to show or suggest that they are similar what structure holds the chordae tendineae to the interior walls of the heart is called? let a and b be positive integers, where a and b do not equal 0. for what limit expression does l'hospital's rule apply? (1 point) if photosynthesis and respiration are almost symmetrical processes, how is energy lost in the process of converting sugar back into atp? Let n be a positive integer. If a == (3^{2n}+4)^-1 mod(9), what is the remainder when a is divided by 9? Two trains A and B left the same station at the same time. The speed oftrain A is 105 kmph, while train B's is 87 kmph. If they travel in the samedirection, how far apart will they be in three hours? I need help soon pls PLEASE HELP ME I REALLY NEED IT A compass is placed near a certain type of metal. The needle on the compass moves. What type of force causes the needle to move SC. 6. P. 13. 1 which of the following policies are consistent with the goal of increasing productivity and growth in developing countries? check all that apply. 1. Protecting property rights and enforcing contracts.2. Pursuing inward-oriented policies.3. Increasing taxes on income from savings.4. Imposing restrictions on foreign ownership of domestic capital.5. Rapid population growth that lowers the stock of capital per worker.6. The emigration of highly skilled workers to rich countries.7. Rapid population growth that increases the burden on the educational system. "The central practice of personal mastery involves learning to keep both a personal vision and a clear picture of current reality before us. Doing this will generate a force within ourselves called "Creative Tension." Tension, by its nature, seeks resolution, and the most natural resolution of this tension is for our reality to move closer to what we want. It's as if we have set up a rubber band between the two poles of our vision and current reality. People who are convinced that a vision or result is important, who can see clearly that they must change their life in order to reach that result, and who commit themselves to that result nonetheless, do indeed feel compelled. They have assimilated the vision not just consciously but unconsciously, at a level where it changes more of their behavior. They have a sense of deliberate patience--with themselves and the world-- and more attentiveness to what is going on around them. All of this produces a sustained sense of energy and enthusiasm . . . produces some tangible results, which can then make the energy and enthusiasm stronger." Who made that statement ?