Question #128881
A trailer is pulling a car with a force of 900N on a level road, if the car is moving at a velocity of 70km/h.
How much work is done by the trailer on the car in 15 minutes.
1
Expert's answer
2020-08-10T19:54:13-0400

W=F⋅l=F⋅vt=900(N)⋅19.44(m/s)⋅900(s)=15.75⋅106(J)W=F\cdot l=F\cdot vt=900(N)\cdot19.44(m/s)\cdot900(s)=15.75\cdot10^6(J)


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