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Ilya [14]
3 years ago
13

How do objects at rest and in motion respond in the presence of an external, unbalanced force?

Physics
1 answer:
koban [17]3 years ago
5 0

Explanation:

Objects at rest and in motion respond to the presence of an external unbalanced force by simple changing their magnitude of motion or position.

We have this knowledge from Newtons first law of motion "a body will remain in a state of rest or continue with uniform motion unless if it is acted upon by an external force".

  • When an external force acts on a body at rest, it will change the position of the body or set it motion.
  • For a body in motion, an external force can make they come to rest or change the motion of the body
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If you fell 90ft while sitting down strapped in an elevator (think tower of terror ride) would you die when the elevator hit the
8_murik_8 [283]

Probably not. The elevator has security system just like any device. It will automatically trigger breaks in case it detects some sort of free fall.

Person inside free falling elevator could experience 0G or no gravity effect something similar to what astronauts experience in earth's orbit.

The only damage that could happen to you is when the breaks are released you won't feel 0G anymore and fall about 4ft to the floor of the elevator.

Hope this helps.

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8 0
3 years ago
Explain the difference between Longitudinal and Transverse waves.
masya89 [10]
The answer is C sorry if it’s wrong
4 0
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A women who normally weighs 400 N stands on top of a ladder so high she is one full additional earth radius above the surface of
AveGali [126]

The woman weighs 100N now.

Explanation:

Given:

F is given as 400N

one full additional earth radius formed

To Find:

Weight of the woman=?

Solution:

We know that gravitational force is inversely proportional to the square of radius.

f_g=\frac{1}{r^2}

where

f_g is the gravitational force

r^2 is the radius square

So when radius is doubled, the force becomes one fourth of the original.

Therefore \frac{1}{4} \times400 = 100N

3 0
3 years ago
If the voltage across two oppositely charged parallel plates is kept constant, what happens to the relationship between the elec
puteri [66]
<span>The electric field is inversely proportional to the distance.</span>
3 0
3 years ago
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Sam is conducting an experiment in a closed room. He places two sound-generating instruments, A and B, in different places in th
diamong [38]

Answer: The correct answer is "Instrument A is placed closer to Sam than instrument B".

Explanation:

The sound can be soft or loud. Loudness depends on the amplitude of the sound wave. Higher the amplitude, more will be loudness. Lower the amplitude, lesser will be loudness.

Pitch depends on the frequency.

In the given problem, the instruments A and B generate sound waves of the same amplitude and at the same time.

Loudness depends on the sound energy produced as the energy of the sound is directly proportional to the square of the amplitude. It also depends on the distance between the source and the receiver.

Sam records a louder sound from instrument A than from instrument B. It means that there is mismatch in loudness. It can happen due to the placement of the instrument A closer to Sam than instrument B.

Therefore, the correct option is "Instrument A is placed closer to Sam than instrument B".

4 0
4 years ago
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