Question: A child does 350 J of work while pulling a box from the ground up to his tree house with a rope. The tree

A child does 350 J of work while pulling a box from the ground up to his tree house with a rope. The tree house is 9 m above the ground. Whatjs the mass of the box? 0 2.4 kg 0 4 kg 0 3.6 kg iffi

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