Multiple Choice
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 8.4 m above the ground.What is the mass of the box?
A) 4.3 kg
B) 2.6 kg
C) 3.2 kg
D) 3.9 kg
Correct Answer:
Verified
Correct Answer:
Verified
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