A body of mass 4 kg moving with velocity 12 m/s collides with another – McqOptions

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1.	A body of mass 4 kg moving with velocity 12 m/s collides with another body of mass 6 kg at rest. If two bodies stick together after collision, then the loss of kinetic energy of system is [J&K CET 2005]
A.	Zero
B.	288 J
C.	172.8 J
D.	144 J
Answer» D. 144 J

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