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a trailer is pulling acar with a force of 900N on a level road. The car is moving at 70km/h, how much work is done by the trailer on the car in 15mm?
12 years ago

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Steve
I assume you mean 15min instead of 15mm
That's 1/4 hour, so the car moves 17.5km
work = force*distance, so we have

900N * 17500m = ... J
12 years ago

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