A man throws a stone vertically up with a speed of 20 ms –1 from top of a high rise building. 2 s later, an identical stone is thrown vertically downwards with the same speed 20 ms –1 . Then -
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION
(a, b, c, d)
At any instant rel. velocity = 
– 
and from energy conservation. Final kinetic energy will also be same.
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