word problem

Asked by pragathi smart tutorials pragathi smart tutorials | 29th Feb, 2012, 05:28: AM

Expert Answer:

power =energy/time
mgh = m X 10 X 20 = 200m
5 = 200m/60
m= 5X60/200 = 1.5l

Answered by  | 29th Feb, 2012, 10:58: AM

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