Задача 10109.

The car begins to move to the city and a 4-minute travels a distance of 3 km. Resistance force is thus 8% of the force of gravity. Determine the slope of the mountain (the sine of the angle on the bottom) and the power generated by the motor at the end of the path, if vehicle weight of 2 tons, and the work done by the engine is equal to 7.0 x 10 6 J.

Detailed solution shorthand terms, formulas and laws used in the decision, the withdrawal of the calculation formula and the response.