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Physics, 27.09.2021 14:00 giana33186

What is the efficiency of a ramp if you do 400 J of work to push a 60 N box up the ramp until it is 3.0 m above the ground?

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What is the efficiency of a ramp if you do 400 J of work to push a 60 N box up the ramp until it is...
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