a body weighing 10kg is lifted to a height of 50m in 20 seconds . what is its power?(g=9.8m/s2)
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29
hi,
mass,m= 10kg
height,h= 50m
g= 9.8m\s2
Work done= mgh
= 10*50*9.8
= 4900J
Power= total work done\ time taken
= 10*50*9.8/20
= 245W
this is the answer, hope it will help you
mass,m= 10kg
height,h= 50m
g= 9.8m\s2
Work done= mgh
= 10*50*9.8
= 4900J
Power= total work done\ time taken
= 10*50*9.8/20
= 245W
this is the answer, hope it will help you
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9
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