Question

A stone is thrown from a top of a 50m tall building is given an initial velocity of 20m/s at upward . Determine the velocity in m/s, when the stone returns to the height from which it was thrown.( g = 9.8m/s)
a) -20 b) -15
c) -30 d) -25
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Answer 1

Answer:

a) -20

Explanation:

because displacement is remains constant and zero position

Answer 2

Answer:

Hi army how are you?

I think it is -20

Explanation:

Hope this helps