how does the torque due to the weight of one side of the broom exerted around the balance point compare with the torque exerted by the weight of the other side of the broom around the balance point?

Answers

Answer 1

The torque due to the weight of one side of the broom is equal to the weight of the side multiplied by its distance from the balance point. The torque due to the weight of the other side of the broom is equal to its weight multiplied by its distance from the balance point. Therefore, if the weights of the two sides are equal, the torque exerted around the balance point is the same for both sides.


The torque due to the weight of one side of the broom exerted around the balance point is equal to the torque exerted by the weight of the other side of the broom around the balance point.

What is torque?

Torque is a measure of the twisting force acting on an object, usually resulting in rotation. The torque of an object can be calculated by multiplying the force applied to it by the distance between the force and the object's pivot point. Torque equation: τ = F x where, τ = Torque F = Applied force (perpendicular to r) r = Distance between the pivot point and the applied force.

What is the balance point?

The balance point is the location at which an object is perfectly balanced, with its weight equally distributed on either side of the pivot point. The balance point is located at the center of mass of an object. The torque due to the weight of one side of the broom exerted around the balance point is equal to the torque exerted by the weight of the other side of the broom around the balance point. Since the broom is balanced, its weight is evenly distributed on either side of the pivot point, resulting in equal and opposite torques on each side.

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Related Questions

what is the current in a counductor if 3.15*10^18 electrons pass a given point in the conductor in 10 seconds

Answers

The current in a counductor if 3.15*10^18 electrons pass a given point in the conductor in 10 seconds is 0.0504 amperes

Current calculation.

The current in a conductor is defined as the rate at which electric charge flows through it. The unit of current is amperes (A), which is defined as coulombs per second. One coulomb is equal to the charge on 6.24 × 10^18 electrons.

Given that 3.15 × 10^18 electrons pass a given point in the conductor in 10 seconds, we can find the charge that flows through the point as follows:

Number of electrons = 3.15 × 10^18

Charge on one electron = 1.6 × 10^-19 coulombs

Total charge = Number of electrons × Charge on one electron

Total charge = 3.15 × 10^18 × 1.6 × 10^-19

Total charge = 0.504 coulombs

The current is the rate of flow of charge, so we can find it by dividing the total charge by the time taken:

Current = Total charge ÷ Time taken

Current = 0.504 coulombs ÷ 10 seconds

Current = 0.0504 amperes (A)

Therefore, the current in the conductor is 0.0504 amperes, or 50.4 milliamperes (mA).

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A car speeds up at a constant rate pf 4 m/s?. An identical car takes a right turn with 4 m radius at constant speed of 8 m/s. Which of the following statements is correct? A. The car speeding up experiences the greater net force. B. The car speeding up experiences zero net force. C. The car that is turning experiences the greater net force. D. The car that is turning experiences no net force.

Answers

The correct answer is the car that is turning experiences no net force.

What is a net force?

A net force is the sum of all forces acting on an object, taking into account their magnitude and direction. If an object is not in equilibrium, it experiences a net force, which causes it to accelerate. In physics, a net force, often known as unbalanced force, is defined as the total sum of all forces that act on an object. If the forces acting on an object are balanced, meaning they are the same size but opposite in direction, the object will maintain a constant speed with no acceleration.

In this scenario, the car speeding up experiences the greater acceleration. The car that is turning, on the other hand, experiences no net force since the force acting on the car, the centripetal force, is equal to the force required to maintain its motion.

Therefore, the answer is option D. The car that is turning experiences no net force.

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a cliff diver drops from rest to the water below. how many seconds does it take for the driver to go from 0 mi/h to 60 mi/h? (for comparison, it takes about 3.5 s to 4.0 s for a powerful car to go from 0 to 60 mi/h.)

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It takes about 2.73 seconds for the cliff diver to reach a speed of 60 mph (88 ft/s or 27 m/s) if we assume no air resistance. In reality, air resistance would slow down the diver and increase the time required to reach this speed. The given speed in mph is required to be converted into fps to solve the problem.

We know,1 mile = 5280 feet1 hour = 3600 secondsTherefore,1 mile/hour = 5280/3600 = 1.467 feet/second (approx)So, 60 miles/hour = 60 * 1.467 = 88.02 feet/secondGiven, a cliff diver drops from rest to the water below.We know, initial velocity, u = 0 ft/sFinal velocity, v = 88.02 ft/sTime, t = ?We have,Acceleration due to gravity, g = 32 ft/s²We can use the kinematic equation,v = u + atto find the time taken by the driver to go from 0 to 60 miles/hour.We have,u = 0 ft/st = ?v = 88.02 ft/sg = 32 ft/s²v = u + at88.02 = 0 + 32tt = v/a= 88.02/32= 2.75 seconds (approx)Therefore, the cliff driver takes about 2.75 seconds to go from 0 miles/hour to 60 miles/hour while jumping from rest to the water below.

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A ________ is a descriptive research activity representing a small-scale investigation of 10 to 30 subjects that are representative of the main study's defined target population but focus on a specific subcomponent of the main study.
Multiple Choice
median
pretest
pilot test
pilot study
mode

Answers

A  d.pilot study is a descriptive research activity representing a small-scale investigation of 10 to 30 subjects that are representative of the main study's defined target population but focus on a specific subcomponent of the main study.

A pilot study is a small-scale study that is usually carried out before the main study or trial to test if the intended study design, data collection method(s), measurement instruments, and data analysis techniques are feasible and sufficient. This is also done to ensure that data is collected in a way that minimizes the risk of error in the main study.

Mode, the most frequently occurring value in a data set is referred to as the mode. It is frequently utilized with categorical or nominal data. Pretest, before the test, a pretest is given to test subjects to establish a baseline for their knowledge or capability. Median, in statistics, the median is a measure of central tendency that is used to split a dataset into two equal parts. It is used with continuous or ordinal data.

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A 4.50kg crate is suspended from the end of a short vertical rope of negligible mass. An upward force F(t) is applied to the end of the rope, and the height of the crate above its initial position is given by y(t) = (2.80m/s )t +(0.61m/s^3 )t^3 What is the magnitude of the force F when 3.60s ?

Answers

We know that Fg = mg = 4.5 kg * 9.8 m/s² = 44.1 NTherefore, F(t) = F_net + Fg = 1.5525 N + 44.1 N = 45.6525 NThe magnitude of the force F when t = 3.60 s is 45.65 N.Given,The mass of the crate, m = 4.5 kgHeight of the crate above its initial position, y(t) = (2.80m/s )t + (0.61m/s³)t³Let F(t) be the force applied upward on the rope.The upward force F(t) acting on the crate = Weight of the crate - Tension in the ropeTension in the rope is because of the force applied upward.

Therefore,Tension in the rope, T = F(t) - mgWhere g is the acceleration due to gravity= 9.8 m/s²Let's differentiate the given height of the crate equation to obtain the velocity of the crate above its initial position, dy(t)/dt.dy(t)/dt = (2.80m/s) + 3(0.61m/s³)t²We can determine the velocity of the crate at t= 3.60s by substituting the value of t = 3.60s. dy(3.60s)/dt = (2.80m/s) + 3(0.61m/s³)(3.60s)² = 16.34 m/sFrom the equation of motion, v² = u² + 2asWhere v is the final velocity, u is the initial velocity, a is the acceleration, and s is the distance.The initial velocity, u = 0m/s.The distance traveled by the crate when the force is applied, s = (2.80m/s)t + (0.61m/s³)t³ = (2.80m/s)(3.60s) + (0.61m/s³)(3.60s)³ = 23.63 mThe acceleration, a = (v² - u²)/2s = (16.34m/s²)/47.26m = 0.345 m/s²The net force, F_net = maWhere m is the mass of the crate and a is the acceleration of the crate due to the applied force F(t).F_net = m * a = 4.5kg * 0.345m/s² = 1.5525 NThe net force F_net is the sum of the force applied upward F(t) and the weight of the crate Fg, F_net = F(t) - FgWe know that Fg = mg = 4.5 kg * 9.8 m/s² = 44.1 NTherefore, F(t) = F_net + Fg = 1.5525 N + 44.1 N = 45.6525 NThe magnitude of the force F when t = 3.60 s is 45.65 N.

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focusing a camera changes the distance between the lens and the film. does the eye focus by changing the distance between the lens and the retina? explain your answer.

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Focusing a camera changes the distance between the lens and the film. And the eye focus by changing the distance between the lens and the retina is true as, the eye does focus by changing the distance between the lens and the retina.

What is the effect of changing the distance?

When we focus on an object, the curvature of the lens in our eye changes. This causes the light rays from the object to converge and focus on the retina, located at the back of the eye.

In order to focus on objects at different distances, our eye's lens must adjust its shape by changing its curvature, which changes the distance between the lens and the retina. This process is called accommodation.

The process of focusing the eye is similar to the process of focusing a camera. In a camera, changing the distance between the lens and the film allows for the object to be in focus. Similarly, in the eye, changing the distance between the lens and the retina allows for objects to be in focus.

Therefore, the eye focuses by changing the distance between the lens and the retina.

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what is the potential difference across a capacitor after it has been discharging for a very long time?

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The potential difference across a capacitor after it has been discharging for a very long time is 0 volts. This is because the capacitor is empty of charge, and thus has no potential difference between its two terminals.

A capacitor is a type of electrical component that stores energy in an electric field. The energy is stored in the form of electric charges on two conductive plates.

The plates are separated by an insulating material called a dielectric. The potential difference across a capacitor is proportional to the amount of charge stored on the plates.

What happens when a capacitor discharges?

When a capacitor discharges, it loses the stored charge. This discharge occurs when the capacitor is connected to a circuit. The capacitor will then begin to discharge as the charges on the plates flow through the circuit.

The potential difference across the capacitor will decrease as the charges on the plates decrease.

The capacitor has been completely discharged and no longer has any potential difference.

Thus, the potential difference across a capacitor after it has been discharging for a very long time is zero.

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The total resistance R produced by three conductors with resistances RììR2ìRz con¬nected in a parallel electrical circuit is given by the formula 1/R = 1/R1 + 1/R2 +1/R3 Find enterpret the result in terms of the circuit.

Answers

The reciprocals of the resistances in a parallel circuit with three conductors are added to determine the overall resistance using the formula 1/R = 1/R1 + 1/R2 + 1/R3.

The total resistance of a parallel electrical circuit with three conductors and resistances R1, R2, and R3 is calculated using the formula 1/R = 1/R1 + 1/R2 +1/R3. The conductors of a parallel circuit are linked so that the voltage across each wire is the same, but the current flowing through each conductor may vary. This indicates that the circuit's entire current is distributed among the three conductors. According to the formula, the circuit's overall conductance is equal to the sum of the conductances of its individual conductors. We may calculate the overall resistance of the circuit by calculating the reciprocal of the total conductance. This formula can be extended to circuits with any number of parallel conductors, making it a useful tool for calculating the total resistance of a circuit.

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What happens when thermal energy is removed from a substance?(1 point) Responses All substances will freeze. All substances will freeze. The substance loses potential energy. The substance loses potential energy. The substance’s atoms lose kinetic energy. The substance’s atoms lose kinetic energy. The substance’s particles speed up

Answers

When thermal energy is removed from a substance, the substance loses kinetic energy. This can result in a decrease in temperature, and in some cases, a phase change such as solidification or condensation. However, the specific response of the substance depends on factors such as its composition, pressure, and temperature.

a bullet is shot into a wood block. the bullet becomes embedded in the block, and they move off the ledge and land on the ground. the mass of the bullet is 2 g. the mass of the block is 98 g. the ledge height is 5 m. the block lands 10 m horizontally from the ledge. determine the initial speed of the bullet. let me see your literal equations first.

Answers

The initial speed of the bullet before being shot will be 1107 meters per second.

What are the given values?

The mass of the bullet is given as 2 g. The mass of the block is given as 98 g. The height of the ledge is given as 5 m. The distance travelled by the block is given as 10 m.

We can use conservation of energy to find the initial velocity of the bullet. Conservation of energy: The work done on the block-bullet system is zero. Therefore, the initial potential energy of the block-bullet system is equal to the final kinetic energy of the block-bullet system. Potential energy of block-bullet system = Kinetic energy of block-bullet system

Initial potential energy = mgh

Final kinetic energy = (1/2)mv²

So, mgh = (1/2)mv²

where, m = total mass (mass of bullet + mass of block), h = height from where the block and bullet fall, v = final velocity

Let's calculate the total mass of the system:

m = mass of bullet + mass of block = 2 g + 98 g = 100 g = 0.1 kg

Let's substitute the values in the equation: 0.1 kg × 9.8 m/s² × 5 m = (1/2) × 0.1 kg × v²

v = 22.14 m/s

We can use conservation of momentum to confirm our result.

Conservation of momentum: Initial momentum = final momentum

0 = (m bullet × v bullet ) + (m block × v block ) (as the bullet gets embedded into the block, they both move with the same velocity)

v = (m bullet × v bullet )/(m bullet + m block )

Substituting the values:

v = (2 g × v bullet ) / (2 g + 98 g) = 0.02 v bullet / 1.00 = 0.02 v bullet

v bullet = 50 × v = 50 × 22.14 = 1107 m/s

Therefore, the initial speed of the bullet is 1107 m/s.

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The moment of inertia of a solid cylinder about its axis is given by 1/2MR 2 . If this cylinder rolls without slipping, the ratio of its rotational kinetic energy to its translational kinetic energy is:A. 1:1
B. 2:2
C. 1:2
D. 1:3

Answers

Answer:

I = 1/2 M R^2       moment of inertia

Translational energy due to rotation

Er = 1/2 I ω^2 = 1/2 M R^2 ω^2 = 1/2 M V^2       since V = R ω

Thus (A) the translational KE is equal to the rotational energy and

Ek = Er + Et      for the total energy of the cylinder

which of the following best describes bedded gypsum and halite? a. varieties of coal b. varieties of calcium carbonate evaporites; c. chemical sedimentary rocks d. detrital sedimentary rocks

Answers

Bedded gypsum and halite are chemical sedimentary rocks. These rocks are formed through the chemical precipitation of minerals from solution.

Chemical sedimentary rocks are formed when minerals dissolve in water and then precipitate, forming layers of solid sediment. The most frequent minerals are halite, gypsum, and limestone. Some of these rocks are deposited as evaporites or are formed by alteration of previously deposited chemical sediments. These rocks are made up of mineral grains that are the result of a chemical reaction.

Halite, gypsum, and other minerals are examples of this type of rock. They're usually made up of a single mineral type or a combination of two or more minerals that have been deposited from water or other fluids. These rocks are formed through processes such as precipitation, evaporation, and alteration of minerals by water or other fluids. Halite and gypsum are the two most common minerals found in this type of rock.

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what device is used through ureteroscope to capture an inact calculus or fragments if fractured by laser

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The device used through a ureteroscope to capture an intact calculus or fragments if fractured by laser is called a basket retrieval device.

A ureteroscope is a specialized tool that is used to examine and treat the inside of the ureter and kidney. It is made up of a long, thin tube with a camera and a light source at the end, which is inserted into the patient's urinary tract through the urethra. The physician will be able to examine the lining of the bladder, ureters, and kidneys during this examination.

A basket retrieval device is a specialized tool that is used during ureteroscopy, which is a minimally invasive surgical technique used to examine the inside of the urinary tract. It is used to remove kidney stones or any fragments that have been broken down by laser lithotripsy.The basket retrieval device works by capturing the stones or fragments with its metal "basket" and then removing them from the body. The physician will then be able to extract the stones or fragments by retracting the basket into the ureteroscope's working channel. The stones will be disposed of or sent to a lab for further testing.

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what is the acceleration of an object flying upward during free fall?

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During free fall, an object is subject to the force of gravity and its acceleration is equal to the acceleration due to gravity (g), which is approximately 9.81 meters per second squared (m/s²) near the surface of the Earth.

If an object is flying upward during free fall, its acceleration will still be equal to -9.81 m/s² (note the negative sign indicating that the acceleration is downward). This is because the direction of the acceleration due to gravity is always toward the center of the Earth.

Even if an object is moving upward, it is still subject to the gravitational force, which causes it to decelerate until it reaches its highest point and then starts to fall back down.

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Four small spheres, each of which you can regard as a point of mass 0.200 kg, are arranged in a square 0.400 m on a side and connected by light rods a)Find the moment of inertia of the system about an axis through the center of the square, perpendicular to its plane (an axis through point O). b)Find the moment of inertia of the system about an axis bisecting two opposite sides of the square (an axis along the line AB). c)Find the moment of inertia of the system about an axis that passes through the centers of the upper left and lower right spheres and through point O.

Answers

The moment of inertia of the system  for the three situations are 0.026667 kg m2,0.04 kg m2,0.013333 kg .

Four small spheres, each of which you can regard as a point of mass 0.200 kg, are arranged in a square 0.400 m on a side and connected by light rods

a) The moment of inertia of the system about an axis

through the center of the square,

perpendicular to its plane (an axis through point O) is equal to

4 x 0.200 kg x (0.400 m)2/12

= 0.026667 kg m2.



b) The moment of inertia of the system about an axis

bisecting two opposite sides of the square (an axis along the line AB) is equal to

4 x 0.200 kg x (0.400 m)2/8

= 0.04 kg m2.



c) The moment of inertia of the system about an axis

that passes through the centers of the upper left and lower right spheres and

through point O is equal to

2 x 0.200 kg x (0.400 m)2/12

= 0.013333 kg m2.

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The formation of freezing rain involves: A) snow passing through a fairly thick layer of above freezing air before passing through a thin layer of subfreezing temperatures near the surface. B) air temperatures decreasing uniformly with height, producing the cold conditions necessary for freezing rain formation. C) air temperatures increasing uniformly with height, producing the cold conditions necessary for freezing rain formation. D) snow passing through a fairly thin layer of above freezing air before passing through a thick layer of subfreezing temperatures near the surface.

Answers

The formation of freezing rain involves the snow passing through a fairly thick layer of above freezing air before passing through a thin layer of subfreezing temperatures near the surface. Therefore, option A is the correct answer.

Freezing rain is defined as rain that falls on subfreezing surfaces and freezes on contact, creating a coating of ice that can make sidewalks, roads, and other surfaces extremely slick.

The formation of freezing rain begins in the clouds, where snow forms as ice crystals. The crystals grow as they collide with one another, forming snowflakes. However, the flakes may not remain frozen as they fall to the ground; rather, they may melt and become raindrops.

The raindrops may re-freeze before hitting the ground, depending on atmospheric conditions.The formation of freezing rain is thought to occur when snow passes through a reasonably thick layer of above-freezing air before passing through a thin layer of subfreezing temperatures close to the surface.

When the snow hits the surface, it quickly freezes, creating a glaze of ice. When compared to sleet, freezing rain is distinct in that it forms as a liquid raindrop rather than a frozen one.

Therefore Option A is correct.

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an electromagnetic wave is transporting energy in the positive y direction. at one point and one instant the magnetic field is in the positive x direction. the electric field at that point and instant points in the

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Energy is being transported in the positive y direction by an electromagnetic wave. The magnetic field is in the positive x direction at one spot and one moment. At that precise moment, the electric field is oriented in the "negative z" direction.


The given electromagnetic wave is transporting energy in the positive y direction. At one point and one instant, the magnetic field is in the positive x direction. Now we have to find the direction of the electric field at that point and instant. According to the right-hand rule, when the magnetic field is directed towards the positive x-axis, the electric field will be directed downwards along the negative z-axis. Therefore, the electric field at that point and instant points in the negative z direction.

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A survey was conducted at local colleges around Madison, Wisconsin to find out the average height of a college student. Of 692 students surveyed, 421 replied that they were over 6 feet tall. What is the standard error? Answer choices are rounded to the hundredths place.

Answers

A survey was conducted at local colleges around Madison where 692 students were surveyed, and 421 replied that they were over 6 feet tall showing a standard error of 0.0084 in the average height of a college student.

The standard error is given by the formula given below:

[tex]$$SE= {s}/{\sqrt{n}}$$[/tex]

Where s is the standard deviation,

n is the sample size.

Now let us find out the standard deviation by using the formula given below:

[tex]$$s=\sqrt{\frac{(421-271.17)^2+(271.17-270)^2}{692-1}}$$[/tex]

After calculating we get that the standard deviation s is equal to $0.2208$.

Now let us plug the value of the standard deviation s and sample size n into the formula for standard error:

[tex]$$SE={s}/{\sqrt{n}}$$[/tex]

On substituting the respective values, we get [tex]$$SE={0.2208}/{\sqrt{692}}$$[/tex]

On solving, we get that the standard error is equal to 0.0084

Therefore, the standard error is 0.0084.

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11- An object of mass 0.2 kg moves in a circular path. If it makes 3/4 revolution in 0.3 s and its displacement is 6 m, calculate: a) The radius of the circular path ?

Answers

We can use the kinematic equations for circular motion to solve this problem. The equation we will use is:

θ = (s / r)

where θ is the angle of rotation (in radians), s is the displacement, and r is the radius of the circular path.

In this case, the object makes 3/4 revolution, which is equivalent to an angle of rotation of:

θ = (3/4) x 2π radians = 1.5π radians

The displacement is given as 6 m.

Therefore, we can rearrange the equation to solve for the radius:r = s / θ

r = 6 m / (1.5π radians)

r ≈ 1.273 m

Therefore, the radius of the circular path is approximately 1.273 meters.

What is a path ?

A path is a route or way that someone or something follows to reach a destination or achieve a particular goal. It can be physical or abstract, and can refer to a variety of contexts such as travel, communication, decision-making, or personal development.

A physical sense, a path can refer to a trail, road, or sidewalk that people use to walk, cycle, or drive to a particular location. In computing, a path refers to the sequence of directories and that lead to a specific file or folder.

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if a star had twice the temperature of the sun, but the same radius what would be its luminosity compared to the sun?

Answers

The luminosity of a star that has twice the temperature of the Sun, but the same radius as the Sun is approximately 16 times that of the Sun. This can be represented by Stefan-Boltzmann law.

What is Luminosity?

The total amount of energy emitted by a star per unit of time is known as luminosity. It is usually calculated in terms of the Sun's luminosity. A star's luminosity is determined by its surface temperature and size. Luminosity is often confused with brightness, which is the amount of light that reaches an observer from a celestial body.

The Stefan-Boltzmann law, L = 4πR2σT4, is used to calculate the luminosity of a star. Here, L is the star's luminosity, R is its radius, T is its temperature, and σ is the Stefan-Boltzmann constant. The radius of a circle is the distance between its center and any point on its circumference. It is one of the circle's most basic properties. The radius of a circle is a line segment that extends from its center to its perimeter. The radius is half of the diameter of a circle. In the formula for the area of a circle, the radius plays an important role because it is squared.

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consider a systen of two electrons that are seperated by a distance of 2 meters. the charge of an electron is -1.6*10^-19c, what in jouled is the potential energy of this syten

Answers

The potential energy of this system is -2.99 * 10^-7 J. Potential energy is the energy stored in an object due to its height.

Potential energy is also affected by gravitational acceleration and object height. The greater the mass of an object, the greater its potential energy. 

The potential energy of this system of two electrons separated by a distance of 2 meters can be calculated using the equation PE = kQq/r, where

k is the Coulomb constant (8.99 * 10^9 Nm^2/C^2), Q and q are the charges of the two electrons (-1.6*10^-19C each), and r is the distance between them (2m).

Plugging in the values given, we get:
PE = 8.99 * 10^9 Nm^2/C^2 * (-1.6 * 10^-19C)^2 / 2m
PE = -2.99 * 10^-7 J
Therefore, the potential energy of this system is -2.99 * 10^-7 J.

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pls help 60 pts
screenshot, fill out, then screenshot . attach document to answer using the paperclip button

Answers

Answer:

Here you go, hope this helps you pass :)

Explanation:

You're welcome.

From this formula F=B×i×l how to find how it came the unit of force newton?
F- force of amper
B [induction]

i- [amper]

l [L-meter]

Answers

The unit of force F_ in this formula is Newton (N).

What is force?

Force is described as any external agent capable of changing a body's state of rest or motion.

The formula F_ = B × i × l

shows  the relationship between magnetic force, magnetic field strength, current, and the length of the conductor in the magnetic field.

And we have the unit of magnetic field strength B is Tesla (T), the unit of current i is Ampere (A), and the unit of length l is meter (m).

substituting the units of B, i, and l into the formula and simplifying =, we have :

F_ = B × i × l

F_ = (Tesla) × (Ampere) × (meter)

F_ = (Newton/ampere/meter) × (Ampere) × (meter) (Note that 1 Tesla = 1 Newton/ampere/meter)

F_ = Newton

In conclusion, the unit of force in this formula is Newton (N).

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when the air is in geostrophic balance, it flows _______ to isobars _________ the boundary layer.

Answers

When the air is in geostrophic balance, it flows parallel to isobars  and above the boundary layer.

Geostrophic balance is a state of balance between the pressure gradient force and the Coriolis force, where the pressure gradient force is directed from higher to lower pressure, and the Coriolis force is perpendicular to the direction of motion. In this state, the wind flows parallel to the isobars, with the pressure gradient force and the Coriolis force balancing each other out.

The boundary layer is the layer of air near the Earth's surface where friction between the air and the surface slows down the wind and causes it to flow in a more complex manner, with the wind direction changing with height. However, in the geostrophic flow regime, the wind flow is typically above the boundary layer and thus not affected by surface friction.

Therefore, in geostrophic balance, the wind flows parallel to isobars and above the boundary layer, with little to no effect from the Earth's surface.

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imagine that earth was upright with no tilt. how would this affect the seasons?

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Answer:

There would be no "seasons"

The person would always be subjected to the same amount of sunlight.

Since the earth is tilted at about 23 deg, a person at  that latitude would be subjected to sunlight from overhead to sunlight that appears 46 deg N of vertical.

for each charge, determine the direction of the magnetic force. for the last one, determine the direction of the magnetic field. the sign of the charge is given for each part.

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For each charge, the direction of the magnetic force can be determined using the right-hand rule. For the last one, the direction of the magnetic field can be determined by observing the direction of the current.

The right-hand formula can be used to calculate the direction of the magnetic field for each charge. According to the formula, if you aim your right thumb in the direction of the charged particle's velocity and your fingers in the direction of the magnetic field, the way your hand confronts is the magnetic force direction.

To identify the direction of the magnetic field for the final charge, examine the direction of the current. The magnetic field is perpendicular to the current and can also be calculated with the right-hand formula.

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suppose that one particle of the flow approaches a plate of a capacitor. explain what happens to the other plate of the capacitor?

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The other plate of the capacitor is induced with an opposite charge through electrostatic induction as the particle of the flow approaches one plate.

As the particle of the flow approaches one plate of the capacitor, it induces an opposite charge on the other plate of the capacitor through the process of electrostatic induction. The electric field produced by the charge on the approaching plate pushes the electrons on the other plate away from the approaching plate, resulting in an accumulation of charge of the opposite sign on the other plate.

This process continues until the potential difference between the plates becomes large enough to produce a discharge, after which the process of electrostatic induction ceases. The discharge may occur in the form of a spark or a breakdown of the dielectric material separating the plates, depending on the strength of the electric field and the dielectric strength of the material.

Overall, the other plate of the capacitor experiences a temporary polarization and a buildup of charge of the opposite sign due to the approaching particle.

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The high temperature microwave spectrum of KCl vapor shows an absorption at a frequency of 15376 MHz. a) Show that this frequency represents a photon with energy of 10.19 x 10-24]. b) This absorption peak has been identified with the ] = 1 7 J = 2 transition of 39K35CL. Given that the atomic masses of 39K and 3Cl are 38.96 and 34.97 g/mole, respectively, calculate the internuclear distance (i.e: bond length) of 39KBCl in meters and A Compare your answer above to the experimentally-determined bond length of HCL, 1.275A. Using concepts from general chemistry, explain why the comparison does or does not make sense_

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In the comparison between these compounds, the bond is weaker due to the difference in electronegativity between the two atoms.

What is the wavelength?

We can use the relation: E = hν

where, E is the energy of the photon, h is Planck's constant, and ν is the frequency of the photon.

Converting to Hz:

ν = 15376 MHz = 15376 × 106 Hz = 1.5376 × 10¹⁰ Hz

Substituting the frequency into the formula for photon energy: E = hν

E = 6.626 × 10⁻³⁴ J s × 1.5376 × 10¹⁰ Hz

E = 1.019 × 10⁻²³Joules

The frequency of the photon can be used to calculate the wavenumber, which in turn can be used to determine the internuclear distance of the molecule. The wavenumber (ν¯) of the photon is defined as the frequency divided by the speed of light, c:

ν¯= ν/c

where, c is 2.998 × 10⁸ m/s.

Converting the frequency into wavenumber:

ν¯= ν/c = 1.5376 × 10¹⁰ Hz/2.998 × 10⁸ m/s = 51.31 cm⁻¹

The wavenumber of the photon can be used to calculate the internuclear distance (r) by using the equation:

r = [h/(8π²cμ)]½ × (1/ν¯)

where, h is Planck's constant, c is the speed of light, and μ is the reduced mass of the molecule (m₁m₂/m₁ +m₂).

For K₃₅Cl₃₉, the atomic masses of K and Cl are 39 and 35, respectively. Therefore, m₁ = 39, u = 39 × 1.66 × 10⁻²⁷ kg = 6.474 × 10⁻²⁶ kg, m₂ = 35 u = 35 × 1.66 × 10⁻²⁷ kg = 5.81 × 10⁻²⁶ kg,

μ = (m₁m₂/m₁ +m₂) = 39 × 35/(39 + 35)

u = 16.86

u= 16.86 × 1.66 × 10⁻²⁷kg = 2.798 × 10⁻²⁶kg  

Substituting the values of the constants and the wavenumber: r = [h/(8π²cμ)]½ × (1/ν¯)r = [(6.626 × 10⁻³⁴ J s)/(8π² × 2.998 × 10⁸ m/s × 2.798 × 10⁻²⁶ kg)]½ × (1/51.31 cm⁻¹)r = 1.873 × 10⁻¹⁰ m = 1.873 Å

We can compare this bond length to that of HCl, which is 1.275 Å. The internuclear distance of K₃₅Cl₃₉ is much longer than that of HCl, indicating that the bond in K₃₅Cl₃₉ is weaker. This is consistent with the fact that K₃₅Cl₃₉ is a heteronuclear diatomic molecule, whereas HCl is a homonuclear diatomic molecule. In a heteronuclear diatomic molecule, the bond is weaker due to the difference in electronegativity between the two atoms.

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electrical current of flow occurs when a person or conducting object bridges the gap between live conductors and the ground or live conductors. True or False

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The statement "electrical current of flow occurs when a person or conducting object bridges the gap between live conductors and the ground or live conductors." is true because when the gap between conductors and the ground is covered then current flows.

This happens when electricity is conducted through a circuit and creates a potential difference between two points.

This potential difference can cause electrons to move through the circuit and creates a current flow. When there is a gap or break in the circuit, electrons will attempt to fill the gap, creating a current of flow.

This current can cause injury or shock to anyone bridging the gap, so it is important to take precautions when dealing with live wires.

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what are two characteristics of net forces that are balanced

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Balanced net forces have equal and opposing forces that cancel each other out and provide a net force of zero, which does not alter the motion of an item.

An object's velocity remains constant and motion is unaltered when the net forces acting on it are balanced. This indicates that the thing is either stationary or moving continuously. When the forces exerted on an item are opposing in direction and of equal magnitude, they are said to be balanced forces. The forces in this situation cancel one another out, leaving a net force of zero. This can happen when one force is applied to an item and that object applies an equal and opposite force in the opposite direction to another object. It can also happen when two or more forces are applied in opposing directions and of equal magnitude. Understanding equilibrium and stability in physics requires a knowledge of the idea of balanced forces.

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