A 120 g ball moving to the right at 4.4 m/s catches up and collides with...
A 120 g ball moving to the right at 4.4 m/s catches up and collides with a 450 g ball that is moving to the right at 1.0 m/s .
A.
If the collision is perfectly elastic, what is the speed of the 120 g ball after the collision?
Express your answer to two significant figures and include the appropriate units.
B.
If the collision is perfectly elastic, what is the speed of the 450 g ball after the collision?
Express your answer to two significant figures and include the appropriate units.
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