Multiple Choice
A particle of mass 3 kg moving at 8
m/s makes an elastic collision with a particle of mass 5 kg moving at -4
m/s.The velocity of the center mass of the particles is
A) 3
m/s.
B) 1.8
m/s.
C) 0.5
m/s.
D) 0.35 
Correct Answer:

Verified
Correct Answer:
Verified
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