A hockey puck with a mass of 160 g slides at a speed of 12 m/s on frictionless ice.The puck runs into a small box with a mass of 850 g that is initially at rest.Assuming that the collision is elastic,what is the speed of the hockey puck after the collision?
A)5.6 m/s
B)8.2 m/s
C)6.0 m/s
D)3.8 m/s
E)2.3 m/s

Question

Quizplus · Accepted Answer

The Answer of A hockey puck with a mass of 160 g slides at a speed of 12 m/s on frictionless ice.The puck runs into a small box with a mass of 850 g that is initially at rest.Assuming that the collision is elastic,what is the speed of the hockey puck after the collision?
A)5.6 m/s
B)8.2 m/s
C)6.0 m/s
D)3.8 m/s
E)2.3 m/s

A Hockey Puck with a Mass of 160 G Slides