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Category > Applied Sciences Posted 14 May 2017 My Price 5.00

A 1200-kg car enters an 8-percent downhill grade at a speed

A 1200-kg car enters an 8-percent downhill grade at a speed of 100 km/h. The driver applies her brakes to bring the car to a speed of 25 km/h in a distance of 0.5 km measured along the road. Calculate the energy loss Q dissipated from the brakes in the form of heat. Neglect any friction losses from other causes such as air resistance.

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Alpha Geek
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Status NEW Posted 14 May 2017 06:05 AM My Price 5.00

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