15. A 5.0 g coin sliding to the right at 25.0 cm/s makes an elastic head-on collision with a 15.0 g coin that is initially at rest. After the collision, the 5.0 g coin moves to the left at 12.5 cm/s. Find the final velocity of the other coin. (12.5 cm/s, Right)​

15 A 50 g coin sliding to the right at 250 cms makes an elastic headon collision with a 150 g coin that is initially at rest After the collision the 50 g coin m class=

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