Two balls are dropped from different heights. One ball is dropped 2 sec after the other but they both strike the ground at the same time, 3 sec after the first is dropped. The difference in the heights at which they were dropped is
Text Solution
Verified by ExpertsThe correct answer is:
D
h1 = 
g 2
h 2 = 
g (3 – 2) 2
h 1 – h 2 = 
g (9 – 1) = 4 × 9.8 = 39.2 m
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