an object completly submerged in water as shown in the figure. draw arrows, which represent the force of the water at that depth, at various locations on the top, bottom, and side of the object. how does the force on one side of the object compare to the force on the other? how does the force on the top compare to taht on the bottom

Answer:

The total distance covered is 3 km and the displacement is 2.24 km.

Explanation:

For the total distance covered by Anthony, we just add all of the distances.

1 km (going east) + 1 km (going east again) + 1 km (going south) = 3 km

Hence, the his total distance covered when he went to the pizza place is 3 km.

Solving for the displacement is a different matter. We cannot just add all of the distances. From analysis of the problem, Anthony traveled and formed a right triangle. He traveled 1 km east twice, making it 2 km east in total, then he traveled 1 km south.

When dealing with a right triangle with 2 sides given (for this problem the two sides are the 2 km east and the 1 km south), we use the Pythagorean Theorem.

Solution:

c² = a² + b²  (Pythagorean Theorem)

c will be the longest side of the right triangle

a and b will be the other sides of the right triangle

c = √ (a² + b²)

c = √ (2² km + 1² km)

c = √5 km

c = 2.2361 km ≈ 2.24 km

Therefore, the displacement of Anthony is 2.24 km.

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The rotation curve for this galaxy look like for raddi larger than 5kpc is angular velocity.

Angular velocity is the speed at which the angle between 2 bodies changed whenever an object rotated or revolvers around an axis. This displacements is depicted in the images by the angle firmed by a line on one body andar a line on the other.

Angular velocity can be defined as the Speed at which an item rotates or revolvers around an axis. The Greeks letter Omega (occasionally ) stands for angular velocity. The SI unit for angular velocity is radians per second because it is the expressed as an angle per unit of times.

Orbital speed increase with radius beacuse it is directly proportional to radius  

Since V=wr

So on increasing with radius orbital speed also increases.

So here w is angular velocity.

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The object takes to move is 0.409s.

Calculaiton:

time period T = 4 s

Angular speed ω = 2π/T= 1.57 rad/s

SHM equation

x = A sin ωt

6 = 10 sin(1.57t)

sin(1.57t) = 0.6

1.57 t = 0.6435

t= 0.409s.

The amplitude of a periodic variable is a measure of its change over one period. The amplitude of an aperiodic signal is its magnitude relative to a reference value. Amplitude has various definitions, all of which are functions of the magnitude of the difference between extreme values ​​of a variable. It refers to the maximum displacement from equilibrium exhibited by a body in periodic motion.

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The star Sirius is indeed brighter but our Sun appears to be brighter because it is closer to us.

The intrinsic luminosity of Sirius is exactly 25.4 times more than the sun but if we compare the distances of these stars, Sirius is 8.6 light years away from us and the Sun is just 8 light minutes away from us. This marks the obvious reason why our Sun appears more bright.

Even mathematically, it can be justified as the apparent brightness of any luminous object depends on the inverse square of the distance of that luminous object. Therefore the sun's light energy dominates our sky and we can't see any traces of Sirius from the earth.

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0 miles

Explanation:

delta displacment=position end-position beginning

The displacement of Adaline if she walks 2.0 miles north to school from her house. After school, she walks 2.0 miles south from the school to her house is zero miles so, option A is correct.

The overall modification of an object's location and direction of motion is referred to as displacement. Since displacement considers both the amount of the changing location and the direction of the motion, it is known as a vector quantity. There may be zero, positive, or negative displacement.

Given:

Adaline walks 2.0 miles north to school from her house. After school, she walks 2.0 miles south from the school to her house,

Calculate the displacement as shown below,

Displacement = Distance from house to school + Distance from school to house,

Displacement = 2 + (-2)  (North direction is taken as positive and south direction is taken as negative)

Displacement = 0 miles

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The poison was most likely found was B)arsenic

What is poisioning?

Poisoning is defined as harm or death brought on by ingesting, inhaling, touching, injecting, or ingesting different medications, chemicals, venoms, or gases. Many chemicals, including pharmaceuticals and carbon monoxide, become dangerous only when they are consumed in large quantities. While some cleaners only cause harm when consumed, others also release hazardous vapors or fumes.

When large doses of arsenic are ingested or inhaled, arsenic poisoning, also known as arsenicosis, occurs. Gray, silver, or white in hue, arsenic is a form of carcinogen. For humans, arsenic is exceedingly dangerous. Because it has no taste or odor, arsenic is particularly hazardous because you can be exposed to it covertly. After death, the toxin leaves residues on the body.

Hence the poison was most likely found was B)arsenic

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Answer:

128.8Km/h

Explanation:

S=d/t

 =64.4/0.5

 =128.8

Answer:

The answer is D. moving at a constant rate.
Explanation:
I've had this question before.

In the position-time graph, the horizontal line segment indicates that the object is not moving and is at rest. Therefore, option (B) is correct.

The position vs time graph on which the instantaneous position of a particle is plotted on the y-axis and the time is plotted on the x-axis is called the Position-Time graph.

In the position vs time graph always take an independent variable on the x-axis and dependent variables must be plotted on the y-axis. Through mathematical function, the dependent variable will be dependent on the independent variable.

In the case of the Kinematic equation of uniform acceleration, the position can be defined as a dependent variable and time will be the fundamental independent variable.

The case of the horizontal line in the position vs. time graph indicates that the position of the object is not changing with time so it is at rest.

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A surface wave is a combination of a transverse wave and a longitudinal wave

A surface wave is a mechanical wave that propagates along the interface between differing media. A surface wave is made up of transverse and longitudinal wave

A transverse wave is a wave in which particles of the medium move up and down perpendicular to the direction of the wave. A longitudinal wave is a wave in which particles of the medium move parallel to the direction of the wave.

Surface waves usually have larger amplitudes and longer wavelengths than body waves, and they travel more slowly than body waves do.

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Through space, a spacecraft is moving. It picks up speed abruptly. How would you characterize the spacecraft's kinetic energy? As the speed rises, the kinetic energy does too.

An object's kinetic energy refers to the energy it has as a result of motion. Applying force is necessary if we wish to accelerate an object. We have to put forth work to apply a force. After the job is finished, the object will be travelling at a new, constant speed because energy has indeed been transferred to it.

Velocity is the force that propels motion, which can be seen in the movement of a particle, an object, or a group of particles. A person walking, a baseball being thrown, a piece of food falling from the a tabletop, as well as a charged particle inside an electric field all are instances of objects in motion that use kinetic energy.

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When the distance between two masses doubles, the strength of the gravitational force between them is decreased by a factor of 4.

Gravitational Force:

Any two mass-containing objects are attracted to one another by gravitational force. Because it consistently attempts to pull masses together rather than pushing them apart, the gravitational force is known as attractive. In reality, everything in the cosmos is tugging on everything else, including you! Newton's Universal Law of Gravitation is what it is known. Admittedly, you aren't pushing on those other objects all that much because you don't have a very large mass. Additionally, items that are very far apart from one another do not clearly tug on one another. However, we can calculate the force because it exists.

It is given by,

                        [tex]F=\frac{GMm}{r^{2} }[/tex]

We can clearly evaluate from the above formula that

                       [tex]F[/tex]   ∝   [tex]\frac{1}{r^{2} }[/tex]

So,

   When the distance between two masses doubles, the strength of the gravitational force between them is decreased by a factor of 4.

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Answer: The sound will increase in pitch.

Explanation:

According to the Doppler Effect, sounds will increase in pitch as they are nearing the listener, and then decrease in pitch as the sound moves further away. This is because when sound waves travel a shorter distance, the waves are more compact (higher frequency), producing a higher pitch. The further a listener is from the sound, the lower the pitch because the sound waves are more spread apart (lower frequency).

The rightward motion of a positive charge is accompanied by an upward magnetic pull. There must be a component of the magnetic field that enters the page.

The total force operating on an electric charge can be expressed as the sum of the electric force and the magnetic force acting on the object if a point charge q is placed in the presence of both a magnetic field of magnitude B (r) and an electric field of magnitude E (r).

Electric Field A magnetic field forms around a wire when an electric current flows through it. The magnetic field also creates a ring of concentric circles around the wire.

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The y-component of the given vector is 67.84 m.

The quantities that exhibit both magnitude and direction can be defined as vector quantities. For example, a boy is riding a cycle with a velocity of 30 km/hr in a southeast direction. Then to define the velocity, we require two things which are the magnitude of the velocity and the direction. Therefore, it expresses a vector quantity.

The components of the vector can be represented as:

x = r cosθ

y = r sinθ

Given the value of r, = 101 m

The angle, θ = 42.2°

The y-component of this vector can be calculated as:

y = 101 ×sin 42.2°

y = 67.84 m

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Answer:

accelerating

Explanation:

untill an unbalanced force acting on a body, object at rest remain stationery while object on motion continue moving in constant velocity.

no resultant force means no acceleration.

The work done by the hamster-wheel system is 0.0625 J.

The work done by a system or on a system is a measure of the energy input used to do useful work such as moving an object a given distance when force is applied.

Work done is defined as the product of the force applied and the distance moved by the force applied in the direction of the applied force.

Mathematically;

The unit of the applied force is Newton; the unit of the distance moved is in meters and the unit of measurement of work done is Joules.

The work done by the hamster-wheel system is given below:

Force of the hamster = mass * acceleration due to gravity

Force on hamster = 25/ 1000 * 10

Force = 0.25 N

Distance = 25.0 cm or 0.25 m

Work done = 0.25 * 0.25

Work done = 0.0625 J

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Answer:

a=25/24 m/s^2

Explanation:

I’m going to assume you mean the final velocity is 25m/s.

v^2=u^2+2as

625=0+2a300

a=25/24 m/s^2 or 1.0416^_ (period 1) ^m

Answer:

Explanation:

One possible safety restraint or device for a motorcycle 4-wheeler or go-kart could be a roll cage. A roll cage is a structure that surrounds the driver and is designed to protect them in the event of a rollover or collision.

The roll cage would be made of strong, lightweight material such as steel or aluminum tubing. It would be attached to the frame of the 4-wheeler or go-kart and would extend upward to surround the driver's head and shoulders. The roll cage would also have additional bracing to provide additional support and protection in the event of a collision.

In the event of a rollover or collision, the roll cage would help to distribute the forces of the impact evenly around the driver, protecting them from the full force of the collision. The additional bracing would also help to prevent the roll cage from collapsing or deforming, providing additional protection for the driver.

In addition to the roll cage, the driver could also wear a safety harness or seat belt to help keep them securely attached to the vehicle and prevent them from being thrown out in the event of a collision. This would provide additional protection against the forces of a collision.

Wavelength of the waves in meters is 4m.

Wavelength is the distances between identically any points (adjacent cresta) in the adjacent cycles of a wave form signals propagates in spaces or along side a wire. In wireless system's, this lengths is usually specifies in meters (m), centimetres (cm) or millimetres (mm).

To solve this equation first we have to use the wave formulation -

V= fλ

As we know

v= velocity

f= frequency

λ=wavelength

We know the frequency and the velocity of the  both elements which have good unit's. All we have to do is rearranged the equations and solve for λ.

λ= v/f

Let's calculate both the value to get our main answer-

λ= 7m/s / 28s^-1

λ= 4m

Thus, the wavelength is 4m.

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The daughter nucleus of tritium is a helium nucleus with two protons and two neutrons.

It is an isotope of hydrogen. During decay, Tritium nucleus emits an electron and an antineutrino, and changes it from a Tritium with one proton and two neutrons, to a Helium nucleus with two protons and one neutron.

Helium is an inert gas.

Nucleus is positively charged mass at the centre of the atom consisting of positively charged protons and neutral neutrons.

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You did look at solar activity on the heliophysics event registry website, and we found activity on the sun on the specified day.

Any natural occurrence in the upper atmosphere of the sun is referred to as a solar phenomenon. Solar flares, prominences and filaments, and coronal mass ejections are three different categories of solar phenomena.

The simplest way we can investigate how solar activity changes over time is to survey sunspots, which is also how we track the solar cycle. Sunspots are associated with the Sun's natural 11-year cycle, during which the planet's surface changes from calm to turbulent.

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Two planets are identical, except planet x has an atmosphere of mostly nitrogen and planet y has an atmosphere of mostly carbon dioxide therefore what we can determine about the planets is that x is Earth while y is Venus.

This is referred to as the envelope of gases surrounding the earth or another planet and it makes life possible by providing different organisms with air to breathe

In the atmosphere of the planet Venus there is a high concentration of carbon dioxide as it is made up of  it is made of 96.5% of CO₂ and a 3% of nitrogen.

On the other hand in the atmosphere of the planet Earth, there is a high concentration of nitrogen which is about 78% and is therefore the reason why they were chosen as the correct choices.

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Answer:

Approximately [tex]79\; {\rm m\cdot s^{-2}}[/tex].

Explanation:

Apply unit conversion and ensure that angular velocity [tex]\omega[/tex] is in radians per second. The angular displacement of each revolution is [tex]2\, \pi[/tex] radians. Therefore:

[tex]\begin{aligned} \omega &= \frac{2.0\; \text{revolution}}{1\; {\rm s}} \\ &= \frac{2.0\; \text{revolution}}{1\; {\rm s}} \, \frac{2\, \pi}{1\; \text{revolution}} \\ &= (4.0\, \pi)\; {\rm s^{-1}} \\ &\approx 12.566\; {\rm s^{-1}}\end{aligned}[/tex].

The clothes in this laundry machine are in a centripetal motion. The radius of the motion is [tex]r = 0.50\; {\rm m}[/tex], and the angular velocity of the clothes is [tex]\omega \approx 12.566\; {\rm s^{-1}}[/tex]. The acceleration of the clothes will be:

[tex]\begin{aligned}a &= \omega^{2} \, r \\ &\approx (12.566\; {\rm s^{-1}})^{2} \, (0.50\; {\rm m}) \\ &\approx 79\; {\rm m\cdot s^{-2}}\end{aligned}[/tex].

Loudness increases by 10 dB for every dB increase in sound intensity. A 40-decibel light rainstorm is 100 times louder than a whisper, whereas a 30-decibel "silent" room is 10 times louder than a 20-decibel whisper. Loud noises can be harmful.

A 10 dB rise results in a two-fold increase in volume. The loudness will therefore rise by nearly 8 times with a 30 dB increase (from 20 dB to 50 dB).

Decibels are measured on a logarithmic scale using a power of ten, which might be perplexing. For those of you without advanced math degrees, this simply implies that the sound intensity doubles for every 10 decibel rise.

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The maximum power delivered by the power supply is 0.81W.

An RL Series Circuit is one that has an inductance L coil and a resistance R connected in series with each other. when the current element I flowing in the circuit is crossed by a supply voltage (V).

A series configuration of an inductor and a resistor is known as an LR circuit. A voltage source, such as a battery, and a switch are connected to this circuit. Here, the wire that makes up an inductor's coil has a DC resistance, or R.

Maximum power is delivered when current in circuit is maximum.

Maximum current is obtained after long time when inductor is shorted.

Maximum current is I = 9V/100

Maximum powder = VI = (9v)(9v)/100

Maximum power delivered= 0.81W.

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Answer:

A wave is a disturbance that moves along a medium from one end to the other. If one watches an ocean wave moving along the medium (the ocean water), one can observe that the crest of the wave is moving from one location to another over a given interval of time. The crest is observed to cover distance. The speed of an object refers to how fast an object is moving and is usually expressed as the distance traveled per time of travel. In the case of a wave, the speed is the distance traveled by a given point on the wave (such as a crest) in a given interval of time. In equation form,If the crest of an ocean wave moves a distance of 20 meters in 10 seconds, then the speed of the ocean wave is 2.0 m/s. On the other hand, if the crest of an ocean wave moves a distance of 25 meters in 10 seconds (the same amount of time), then the speed of this ocean wave is 2.5 m/s. The faster wave travels a greater distance in the same amount of time.

Explanation:

Answer:170

Explanation: 0.50

can also be written as

1

2

.

0.50

seconds is half of a second.

if the wave travels

340

m

every second, it will travel half of that distance in

0.50

seconds.

340

⋅

1

2

=

340

2

=

170

in half of a second, the wave will have travelled

170

metres away from its source.

Answer:

no photo

Explanation:

sorry i cannot see a photo can you send it to me?

The resultant of the force that acts in opposite directions is 7 N.

We know that the resultant force is the force that has the same effect in magnitude and direction as two or more forces that is acting together. We have to note that the force that is actinmg on an object is a vector quantity. The implication of this is that the magnitude and the direction of the forces that are acting on the body is very important.

By the use of the law of vectors we can be able to write in the case of the question that we have here, we can see that the forces are acting in the opposite directions. The implication of this is that we would have to subtract the forces so as obtain the resultant force.

We have to note that when we have opposite forces, one is said to be positive and the other negative and the resultant force can be found by subtraction. As such the resultant force can be obtained from;

Let the +B force be 12 N

Let the -B force be 5N

12 N - 5 N = 7 N

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The work done by the dog is 0.81J.

Work done is a measure of energy expended in moving an object; most commonly calculated by multiplying the force by the distance.

It is said that no work is done if the object does not move.

The work done on an object is the amount of energy transferred to an object through work.

According to this question, a dog lifts a 0.75 kg bone straight up through a distance of 0.11 m. The force applied to break the bone must be calculated first as follows:

Force = mass × acceleration

Force = 0.75kg × 9.8m/s²

Force = 7.35N

Work done = 7.35N × 0.11m = 0.81J

Therefore, 0.81J is the work done by the dog.

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-1.17 is the average acceleration when a hockey puck is hit on a frozen lake and starts moving with a speed of 13.20 m/s. Perfectly,5.6 s later, its speed is 6.60 m/s.

Given:

Now, to find the average acceleration we use the following formula;

Acceleration, [tex]a_{avg}[/tex] =[tex]\frac{v^{final}-v^{initial} }{time}[/tex]

⇒[tex]a_{avg}[/tex]=6.60-13.20/5.6 = -1.17m/[tex]s^{2}[/tex]

Hence, -1.17 is the average acceleration when a hockey puck is hit on a frozen lake and starts moving with a speed of 13.20 m/s. Perfectly, 5.6 s later, its speed is 6.60 m/s.

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