A boy throws a stone upward with a velocity of 60m/s. (a) How long will it take to reach the maximum height (g = -10m/s2)? (b) What is the maximum height reached by the ball? (c) How long will it take to reach the ground?
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t=6s
h=180m
total time = 2×t
=2×6=12s
h=180m
total time = 2×t
=2×6=12s
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