A 9-g bullet is fired from a rifle it takes 330 10-3 s for, Ask an Expert

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A 9-g bullet is fired from a rifle. It takes 3.30 10-3 s for the bullet to travel the length of the barrel, and it exits the barrel with a speed of 745 m/s. Assuming that the acceleration of the bullet is constant, find the average net force exerted on the bullet.

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