A lift is design to carry a load of 4000kg people through 10 floor of building leveraging 6m/per floor in 10 sec calculate the power of lift
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Total height crossed by lift = 6×10=60m
Total time taken = 10×10sec=100sec
Work done by lift =mgh
4000×10×60
2400000J
Power =work done per unit time
2400000/100
24000 watt
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