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2 years ago

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A penny falls from a windowsill which is 25.0 m above the sidewalk. How much time does a passerby on the sidewalk below have to

move out of the way before the penny hits the ground?

1 answer:

Yakvenalex [24]2 years ago

3 0

T = √(h)/(0.5)(9.81)
t = √(25)/(4.905)
t = √5.1
t = 2.26 seconds

hope this helps and have a great day :)

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Answer:

Part a) When collision is perfectly inelastic

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Part b) When collision is perfectly elastic

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Explanation:

Part a)

As we know that collision is perfectly inelastic

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Answer:

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