Physics, 22.08.2019 05:50 eleaanastasiawo
Amover hoists a 200 kg piano from the ground to a height of 10 m using a single pulley. what was the change in the pianos energy? a. 20j b. 200j c. 2000j d. 2
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Amover hoists a 200 kg piano from the ground to a height of 10 m using a single pulley. what was the...
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