120 g ball moving to the right at 41msec catches up and
120 g ball moving to the right at 4.1m/sec catches up and collides with a 450 g ball that is moving to the right at 1.2 m/sec what is the speed of both balls after the collision?
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120 g ball moving to the right at 41msec catches up and collides with a 450 g ball that is moving to the right at 12
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