A person standing at the edge of a seaside cliff kicks a stone over the edge with a speed of 18 m/s. The cliff is 52 m above the water's surface. With what speed did it strike the water?

Question

Physics

Zachariah Gibbs

16 March, 05:12

A person standing at the edge of a seaside cliff kicks a stone over the edge with a speed of 18 m/s. The cliff is 52 m above the water's surface. With what speed did it strike the water?

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Answers (1)

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Callie York · Answer 1

You already have the speed, now you need the time.

I will use the formula for speed which is S=D/T.

S=Speed D=Distance T=Time.

So here we have, 18m/s = 52m/T

we do 18 divided by 52 which would be. 3461.

.3461 seconds is how long it took the stone to reach the water.