A 5.6 g coin sliding to the right at 22.6 cm/s makes an elastic head-on collision with a 16.8 g coin that is initially at rest. After the collision, the 5.6 g coin moves to the left at 11.3 cm/s.
(a) Find the final velocity of the other coin.
cm/s
(b) Find the amount of kinetic energy transferred to the 16.8 g coin.
J
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