Question : Two balls are dropped from height h and 2h respectively from the earth surface. The ratio of time of these balls to reach the earth is
(a) 1 : √ 2
(b) √ 2 : 1
(c) 2 : 1
(d) 1 : 4
Answer : The right option is (a)
Solution :
Two balls are dropped from height h and 2h respectively from the earth surface. The ratio of time of these balls to reach the earth is
with
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