(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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