Question

You throw a stone vertically upward with an initial speed of 6.1 m/s from a third-story...

You throw a stone vertically upward with an initial speed of 6.1 m/s from a third-story office window.

Part A

Part complete

If the window is 13 m above the ground, find the time the stone is in flight.

Express your answer using two significant figures.

t =   s  

Part B

Find the speed of the stone just before it hits the ground.

Express your answer using two significant figures.

v= m/s

Explain answer please
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