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A motor pump rated 400w operates for 2 minutes and 40 sec and in doing so raise 200 kg of water to a top of a building.if g=10m/s^2 calculate the height of

the building


We know that power is work/time

so. 400=mgh/160 sec.
 m=200 kg and g=10m/s^2
h=32 meters 
 hope you got your answer
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The Height is 32 metres .
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