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A Child Does 350 J of Work While Pulling a Box

Question 101

Multiple Choice

A child does 350 J of work while pulling a box from the ground up to his tree house at a steady speed with a light rope.The tree house is $4.0 \mathrm {~m}$ above the ground.What is the mass of the box?

A) 8.9 kg
B) 5.3 kg
C) 6.7 kg
D) 8.0 kg

A Child Does 350 J of Work While Pulling a Box

Multiple Choice

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