Max and Sarah move a large bookcase from the bedroom to the living room. The bookcase has a mass of 89 kg. They apply a force of 436 N to move the bookcase 13.2 m. It takes them 43 seconds to move the bookcase. (Use correct units in all answers.)
a. What is their Power?
b. They move the bookcase across the room again. This time, it takes them 23 seconds, using a force of 215 N and a power of 45 W. What distance do they move the bookcase?
Answers: 2
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