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CBSE Class 11-science Answered

(physics) i found this question very difficult from onkesh upadhyay
Asked by | 29 Aug, 2008, 06:45: PM
answered-by-expert 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 | 16 Dec, 2008, 12:53: PM

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