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January 30, 2015

Homework Help: Momentum

Posted by Lui on Wednesday, May 16, 2012 at 6:47pm.

A 6.0 g coin moving to the right at 21.0 cm/s makes an elastic head-on collision with a 20.0 g coin that is initially at rest. After the collision, the 6.0 g coin moves to the left at 12.5 cm/s.

a.) Find the final velocity of the other coin in centimeters.
b.) Find the amount of kinetic energy transferred to the 20.0 g coin.

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