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liberstina [14]
3 years ago
15

A 75-kg piano is hosted on a crane and delivered throughout the window of a 6th story apartment (20 meters above ground). What i

s the potential energy of the piano?
Engineering
1 answer:
Sonja [21]3 years ago
8 0

Answer:

  14,700 J

Explanation:

PE = Mgh = (75 kg)(9.8 m/s²)(20 m) = 14,700 J

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