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In a ballistics test, a 25.0 g bullet traveling horizontally at 1200 m/s goes through a 40.0 cm -thick 250
kg stationary target and emerges with a speed of 900 m/s. The target is free to slide on a smooth
horizontal surface.
What average force does the bullet exert on the target? What is the target's speed just after the bullet
emerges?

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