A stone is dropped from the top of a towerand it crosses the midpoint after t seconds further time needed by the stone to reach the ground is
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Answer:
t(√2 - 1) sec
Explanation:
h/2 = gt²/2
h = gT²/2 , T = total time
T²/t² = 2 , T = t√2
further time needed by the stone to reach the ground is
T - t = t(√2 - 1) sec
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