medium · MCAT chem-phys
A 10 kg block is pushed 5 m across a horizontal floor by a constant horizontal force of 50 N. If the coefficient of kinetic friction is 0.2, what is the net work done on the block? (Use g = 10 m/s²)
- 150 J
- 100 J
- 500 J
- 250 J
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