A boy throws a stone upward with a velocity of 60 m/s.a)how long will it take to reach the maximum height (g=-10m /s square)
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v = u + at = u - gt
velocity on reaching the highest point is zero
hence
0 = 60 - 10t
10t = 60
t = 6 sec
velocity on reaching the highest point is zero
hence
0 = 60 - 10t
10t = 60
t = 6 sec
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