(physics) i found this question very difficult from onkesh upadhyay
Asked by | 29th Aug, 2008, 06:45: PM
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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