John and Haven move a large bookcase from the bedroom to the living room. The bookcase has a mass of 45 kg. They apply a force of 300 N to move the bookcase 8 m. It takes them 20 seconds to move the bookcase. a. How much work do they do to move the bookcase? b. What is their power?
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John and Haven move a large bookcase from the bedroom to the living room. The bookcase has a mass of...
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