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Juliette [100K]
3 years ago
6

A piece of solar system debris that passes through Earth's atmosphere and strikes the ground is a/an _______.

Physics
1 answer:
Flauer [41]3 years ago
5 0
The answer is meteorite. can i get brainliest?

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You are helping your friend move a new refrigerator into his kitchen. You apply a horizontal force of 252 N in the negative x di
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(a) 252 N, opposite to the applied force

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- the pushing force of 252 N, F, forward

- the frictional force, Ff, pulling backward

In this case, the refrigerator is not moving: this means that its acceleration is zero. According to Newton's second law, this also means that the net force acting on the refrigerator is also zero:

\sum F = ma = 0

So we have

F-F_f = 0

which means that the frictional force is equal in magnitude to the pushing force:

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(b) 334.8 N

The force that must be applied to the refrigerator to make it moving is equal to the maximum force of friction, which is given by:

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g = 9.8 m/s^2 is the acceleration of gravity

Substituting:

F_max = (0.61)(56 kg)(9.8 m/s^2)=334.8 N

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3 years ago
Throughout the reflection, make sure you have a
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The diagram shows an electromagnet made with copper wire, a steel nail,
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