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A truck of mass 7000 is driving up a hill. The slope is = 15. The path is 10 long and the coefficient of rolling

A truck of mass 7000 is driving up a hill. The slope is = 15. The path is 10 long and the coefficient of rolling friction is = 0.4. (a) Calculate the work expended on friction. b) Calculate the increase in potential energy. c) What was the total amount of work done? d) Calculate the power needed if the distance is to be covered within 15 minutes. is to be covered.

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