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Physics, 27.11.2020 21:00 treaustin6978

A child does 390 J of work while pulling a box from the ground up to his tree house with a rope. The tree house is 4.7 m above the ground. What is the mass of the box?

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A child does 390 J of work while pulling a box from the ground up to his tree house with a rope. The...

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