SAT, 14.01.2022 20:50 HealTheWorld
Ball a of mass 5. 0 kilograms moving at 20. Meters per second collides with ball b of unknown mass moving at 10. Meters per second in the same direction. After the collision, ball a moves at 10. Meters per second and ball b at 15 meters per second, both still in the same direction. What is the mass of ball b?.
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Ball a of mass 5. 0 kilograms moving at 20. Meters per second collides with ball b of unknown mass m...
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