A person lifts a ball of mass 1 kg through the height of 1 m in 10 s the average power supplied by him is
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average power supplied by him is 1 W
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Given : A person lifts a ball of mass 1 kg through the height of 1 m in 10 s
To Find : the average power supplied by him is
Solution:
Work Done = mgh
m = mass = 1 kg
g = 10 m/s²
h = 1 m
=> Work Done = 1 * 10 * 1 = 10 Joule
Power = Word Done / Time
Time = 10 sec
Power = 10/10 = 1 J/s or 1 Watt
the average power supplied by him is 1 W
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