A women pulls a bucket of water of total mass 5kg from a well which is 10m deep .in 10s calculate the power used by her take g=9.8meter per second
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Answer:
m=5kg
h=10m
t=10s
workdone by women aginst gravity is
W=mgh
W=5×10×10=500j
hence P=W/t
P=500/10
P=50watt
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