Problem 10085.
A wagon with a mass of 20 tons moves with a constant acceleration numerically equal to 0.3 m/s. The initial speed of the car is 54 km/h. What is the braking force acting on the car? How long will it take for the car to stop? How far will the car travel before stopping?
A detailed solution with a brief note of the condition, formulas and laws used in the solution, the derivation of the calculation formula and the answer.
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