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A 30-Kg Object Sitting at Rest Is Struck Elastically in a Head-On

Question 2

Multiple Choice

A 30-kg object sitting at rest is struck elastically in a head-on collision with a 10-kg object initially moving at +3.0 m/s.Find the final velocity of the 30 kg object after the collision.


A) −1.0 m/s
B) +1.2 m/s
C) +1.5 m/s
D) +2.0 m/s

Correct Answer:

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