(physics) i found this question very difficult from onkesh upadhyay

Asked by  | 29th Aug, 2008, 06:45: PM

Expert Answer:

Please note that the answer sent earlier was wrong.

F=dp/dt = d/dt(mv) = dm/dt(v) = 5kg/s. 2m/s = 10N

Then power = F.v = 10.2 = 20W

Answered by  | 16th Dec, 2008, 03:58: PM

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