A stone is thrown
a vertically upwards with a velocity of 34.3 m/s from the top of a cliff 147 m high after it reaches the foot of the cliff, the time elapsed will be
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Answer:
6.5
Explanation:
Max height ,H = u^2/2g
= 34.3 * 34.3/2*9.8
= 60
Total height = H + h = 60 + 147 = 207 m
207 = 0.5*9.8* t^2
t = √(207/4.9)
= 6.5
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