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A 0.450-kg ice puck, moving east with a speed of 5.46 m/s , has a head-on...

A 0.450-kg ice puck, moving east with a speed of 5.46 m/s , has a head-on collision with a 0.990-kg puck initially at rest. Assume that the collision is perfectly elastic.

Part A

What is the speed of the 0.450-kg puck after the collision?
Express your answer to three significant figures and include the appropriate units.

Part B

What is the direction of the velocity of the 0.450-kg puck after the collision?

Part C

What is the speed of the 0.990-kg puck after the collision?
Express your answer to three significant figures and include the appropriate units.

Part D

What is the direction of the velocity of the 0.990-kg puck after the collision?

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