A person carrying a load of 20kg climbs 4m in 10 seconds. Calculate the work done and his power.
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mass m =20kg
height h =4m
time t =10sec
work done W = mgh
W= 20 x9.8x4 [ g is the acceleration due to gravity =9.8m/sec.square ]
W=784joules
height h =4m
time t =10sec
work done W = mgh
W= 20 x9.8x4 [ g is the acceleration due to gravity =9.8m/sec.square ]
W=784joules
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