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A person holds a 25 kg (250 newton) bag of cement over his head and moves it a distance of 10 m, taking 2 minutes, while another person carries it on a wheelbarrow that same distance, taking 1 minute. Who does more work ? What is the power of each person?
Answers: 1
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A person holds a 25 kg (250 newton) bag of cement over his head and moves it a distance of 10 m, tak...
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