Задача 10485.

A car weighing 1.8 tons is descending with the engine off at a constant speed of 54 km/h on a road slope of 3°. Determine what should be the power of the engineso that the car can climb the same hill at the same speed.

A detailed solution with a brief note of the conditions, formulas and laws used in the solution, the derivation of the calculation formula and the answer.
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