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A 1830-kg car experiences a combined force of air resistance and friction that has the same...

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Physics

A 1830-kg car experiences a combined force of air resistance andfriction that has the same magnitude whether the car goes up ordown a hill at 34.5 m/s. Going up a hill, the car's engine needs toproduce 74.7 hp more power to sustain the constant velocity than itdoes going down the same hill. At what angle is the hill inclinedabove the horizontal?

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3.9 Ratings (555 Votes)
let the angle of incline is m mass of the car 1830 kgconsider the situation while going Up F applied forcef combined force by friction and air resistancea acceleration of car 0 since    See Answer
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