A person lifts a 47 kg cement block avertical distance of
A person lifts a 4.7 kg cement block avertical distance of 1.02 m and thencarries the block horizontally a distance of 9.10 m.
(a) How much work is done by the person in theprocess?
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(b) How much work is done by gravity in the process?
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a person lifts a 47 kg cement block avertical distance of 102 m and thencarries the block horizontally a distance of
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