A boy throws a ball vertically up . it returns to the ground after 5 seconds . find : i. the maximum height reached by the ball. ii. the velocity with which the ball is thrown up.
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A boy throws a ball vertically up . it returns to the ground after 5 seconds . find : i. the maximum height reached by the ball. ii. the velocity with which the ball is thrown up.
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It would have gone up in 2.5 sec and come down in 2.5 s
s = ut + 1/2 at²
s = 0 = 1/2 (10) (2.5)²
s = 31.25
v = 0 + (10)(2.5) = 25