A 1100 kg car speeding at 90 km/h is brought to a stop in a distance of 30m . Compute the average force used to stop the car.  Show solution and choose from the choices below:       1.15 kN       29.7 kN       11.5 kN       10.2 kN

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!