A stone is dropped into water from a bridge 
above the water. Another stone is thrown vertically downward 1 sec later. Both strike the water simultaneously. What was the initial speed of the second stone
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Time taken by first stone to reach the water surface from the bridge be t , then
Second stone is thrown 1 sec later and both strikes simultaneously. This means that the time left for second stone 
Hence 
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