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Answer to Question #294013 in Physics for Phy101
Question #294013
A car’s engine provides a forward force of 500 N. It is opposed by a resistive force of 200 N. The car accelerates forwards for 20 m. How much work is done by each force? By how much does the car’s energy increase?
Expert's answer
"W_1=500\u00b720=10000\\text{ J}.\\\\\nW_2=200\u00b720=4000\\text{ J}.\\\\\n\\Delta E=W_1-W_2=6000\\text{ J}."
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