A tow truck pulls a car 400 km along a horizontal roadway, Ask an Expert

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A tow truck pulls a car 4.00 km along a horizontal roadway using a cable having a tension of 910 N

A. How much work does the cable do on the car if it pulls horizontally?

B. How much work does the cable do on the car if it pulls at 32 degrees above the horizontal?

C. How much work does the cable do on the tow truck if it pulls horizontally?

D. How much work does the cable do on the tow truck if it pulls at 32.0 degrees above the horizontal?

E. How much work does gravity do on the car in part A?

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