A hoodlum throws a stone vertically downward with an
A hoodlum throws a stone vertically downward with an initial speed of 12.0 m/s from the roof of a building,23.0 m above the ground.
a) How long does it take the stone to reachthe ground?b) What is the speed of the stone at impact?
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a hoodlum throws a stone vertically downward with an initial speed of 120 ms from the roof of a building230 m above the
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