A rock is thrown vertically upward with a speed of 150ms


A rock is thrown vertically upward with a speed of 15.0m/s from the roof of a building that is 40.0m above the ground. Assume free fall.

A) In how many seconds after being thrown does the rock strike the ground?

B) What is the speed of the rock just before it strikes the ground?

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Physics: A rock is thrown vertically upward with a speed of 150ms
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