a 100 g ball moving to the right at 4 meters per second collides head- on...

a 100 g ball moving to the right at 4 meters per second collides head- on with a 200g ball that's moving to the left at 3m/s. if the collision is perfectly elastic, what are the speeds of each ball after the collision
if the collision is inelastic, what's the speed of the combined balls after the collision?

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genius_generous answered 1 year ago

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