A pump lifts 100L water to a height 10m in one minute. What is the power of the pump?
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take g =10 m/s2 h= 10 m time =60 seconds
density of water is 1000 kg/m3
volume of water =100 L =0.1 m3
density =mass/volume
mass =density ×volume =1000×0.1=100 kg
workdone =mgh =100×10×10=10000 J
power =workdone /time=10000/60=166.7 W
density of water is 1000 kg/m3
volume of water =100 L =0.1 m3
density =mass/volume
mass =density ×volume =1000×0.1=100 kg
workdone =mgh =100×10×10=10000 J
power =workdone /time=10000/60=166.7 W
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