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Question

A ball is thrown vertically upward with a velocity of 20m/s1 from the top of a multistory building. The height of the point from the ball is thrown is 25m from the ground.
(a) How high will ball rise?
(b) distance covered before the ball hits the ground?
Take g=10ms2

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Solution

a. V2U2=2as
(0)2(20)2=2×(10)(S)
400=20S
s=20
Total height= 40+25=65

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