1. Ball A of mass 5.0 kilograms moving at 20 m/s collides with ballB of unknown...
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1. Ball A of mass 5.0 kilograms moving at 20 m/s collides with ballB of unknown mass moving at 10 m/s in the same direction. (A) After the collision, ball A moves at 10 m/s and ball B at 15 m/s, both still in the same direction. (A) What is the mass of ball B? (B) Was this an elastic or inelastic collision? 1. Ball A of mass 5.0 kilograms moving at 20 m/s collides with ballB of unknown mass moving at 10 m/s in the same direction. (A) After the collision, ball A moves at 10 m/s and ball B at 15 m/s, both still in the same direction. (A) What is the mass of ball B? (B) Was this an elastic or inelastic collision?
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