From the top of a tower of height 100m, a ball is
thrown downward with a speed of 10m/s, at the
same time another ball is thrown vertically upward from the same pt with same speed. find the difference in their time taken.
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Answer:
Explanation:
the ball falling from 100 m height will take 2√5 seconds (using the formulae s=1/2at²
the ball thrown up at a speed of 10m/s will take 2 seconds to go up and come down.
hence ans is 2(√2-1)
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