Question

A work crew is using a pulley to lift a small piano up the outside of a building to a second-floor balcony. The piano has mass 180 kg. At a height of 3.0 m, what is the piano’s gravitational potential energy with respect to the ground? A. 9.8 J B. 180 J C. 540 J D. 5,300 J

Answer 1

Answer: 5.300 j

Step-by-step explanation:

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