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Obtain the engine power needed when a medium-sized car runs at 60 km / h on...

Obtain the engine power needed when a medium-sized car runs at 60 km / h on a flat surfaceObtain the engine power needed when a medium-sized car runs at 60 km / h, 120km / h on a flat surface.

And what is the power needed to climb a hill with an inclination angle of 30 °at 60-km / h ?

(Refer to the references for vehicle weight, area, and friction resistance.)

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