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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Answer:
(A) time taken = 6 sec
(b) maximum height reached = 180m
(c) time taken to reach the ground = (6+6) = 12 sec
Explanation:
(a) formula used -- v = u+at
(b) formula used -- v^2 -u^2 = 2as
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