# physics

a student standing on the roof of a 50 meter high building kicks a stone at a horizontal speed of 4 meters per second, how much time is required for the stone to reach the level ground below?

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1. idk the answer but you can smd

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2. d=initial velocity times time + (1/2)at^2
-50=0+ (1/2)(-9.81)t^2
t=3.19 seconds

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3. skrt skrt

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4. 3.19 seconds

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