In a performance test, each of two cars takes 9.1 s to accelerate from rest to 28 m/s. Car A has a mass of 1359 kg, and car B has a mass of 1906 kg. Find the net average force that acts on (a) car A and (b) car B during the test

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A: Solution

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!