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

Asked by  | 29th Aug, 2008, 06:45: PM

Expert Answer:

In 1 second the sand dropped is 5kg. So force is mg = 50N.

v = 2m/s.

so power = F.v = 50x2 = 100W

Answered by  | 16th Dec, 2008, 12:53: PM

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