Question

 All vectors towards north are positive. All vectors towards south are negative. A car was moving at a constant velocity of +30 m/s. The driver applied brakes so that it decelerated uniformly. The brakes were applied when the car was at point P. It stopped at point Q. Vector PQ = +75 m. The mass of the car was 800 kg. Find the constant braking force (in Newton) that stopped the car. Write the number that represents magnitude and direction of this force​

Answer 1

Explanation:

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