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A 0.250-kg ice puck, moving east with a speed of 5.14 m/s , has a head-on...

A 0.250-kg ice puck, moving east with a speed of 5.14 m/s , has a head-on collision with a 0.990-kg puck initially at rest. Assume that the collision is perfectly elastic.

What is the speed of the 0.250-kg puck after the collision?

What is the direction of the velocity of the 0.250-kg puck after the collision?

to the east
to the west

What is the speed of the 0.990-kg puck after the collision?

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

to the east
to the west
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