science doubt

Asked by  | 7th Mar, 2012, 04:08: PM

Expert Answer:

KE = 1/2 x m x v2
v' = 5v
KE' = 1/2 x m x (5v)2
     = 25/2 x m x v2
     = 25 KE
So, KE becomes 25 times.

Answered by  | 8th Mar, 2012, 12:08: PM

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