I drop a penny from the top of the tower in Midland Borough and it takes 1.85 seconds to hit the ground. Calculate the velocity at impact in m/s.

Question

Wyatt

Physics

23 June, 03:04

I drop a penny from the top of the tower in Midland Borough and it takes 1.85 seconds to hit the ground. Calculate the velocity at impact in m/s.

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Answers (1)

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Sunshine · Answer 1

U = 0, initial velocity

t = 1.85 s, the time of flght

Assume g = 9.8 m/s² and no air resistance

If the velocity of impact is v, then

v = u + gt

v = (9.8 m/s²) * (1.85 s) = 18.13 m/s

Answer: 18.13 m/s