4. An engine that worked for 46 s consumed E = 23,500 J and lifted a in 75 kg body from the ground to a height of 21 m above the ground.

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c. Compute the efficiency e of the engine and express as a percent.
Transcribed Image Text:c. Compute the efficiency e of the engine and express as a percent.
4. An engine that worked for 46 s consumed E = 23,500 J and lifted a
in
75 kg body from the ground to a height of 21 m above the ground.
Transcribed Image Text:4. An engine that worked for 46 s consumed E = 23,500 J and lifted a in 75 kg body from the ground to a height of 21 m above the ground.
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