A12.1 g object moving to the right at 21 cm/s overtakes and collides elastically with a 13.1 g object moving in the same direction at 11.2 cm/s. (a) find the velocity of the 12.1 g object after the collision. answer in units of cm/s. (b) find the velocity of the 13.1 g object after the collision. answer in units of cm/s.
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A12.1 g object moving to the right at 21 cm/s overtakes and collides elastically with a 13.1 g objec...
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