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Elis [28]
3 years ago
7

An object on the moon feels lighter than the same object on earth. which statement explains this phenomenon?

Physics
1 answer:
natka813 [3]3 years ago
7 0

Answer:

B

Explanation:

cause

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Can an object with constant acceleration reverse its direction of travel? Can it reverse its direction twice? Explain.
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A woman on a bridge 82.2 m high sees a raft floating at a constant speed on the river below. She drops a stone from rest in an a
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Answer:

0.71 m/s

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We find the time it takes the stone to hit the water.

Using y = ut - 1/2gt² where y = height of bridge, u = initial speed of stone = 0 m/s, g = acceleration due to gravity = -9.8 m/s² (negative since it is directed downwards)and t = time it takes the stone to hit the water surface.

So, substituting the values of the variables into the equation, we have

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t² = 16.78 s²

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This is also the time it takes the raft to move from 5.04 m before the bridge to 2.13 m before the bridge. So, the distance moved by the raft in time t = 4.1 s is 5.04 m - 2.13 m = 2.91 m.

Since speed = distance/time, the raft's speed v = 2.91 m/4.1 s = 0.71 m/s

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__________ is the school of psychology that believes perception is more than the sum of its parts—it involves a whole pattern. A
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hope this helps :)

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