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A man lifts a 20.0-kg bucket of concrete from the ground up to the top...

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Physics

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A man lifts a 20.0-kg bucket of concrete from the ground up to the top of a 25.0-m tall building. The bucket is initially at rest, but is traveling at 4.0 m/s when it reaches the top of the building. How much work was done by the man in lifting the bucket?4.90 kJ500 J160 J660 J5.06 kJ

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