Physics
Physics, 23.07.2019 13:00, mooncake9090

Shelly rolls ball a in the positive x direction with a velocity of 7.5 meters/second. it hits stationary ball b and they undergo elastic collision. the two balls have different masses. which of the following statements is true?

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Shelly rolls ball a in the positive x direction with a velocity of 7.5 meters/second. it hits statio...

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