Home Physics Work, Energy, Power and Collision Skill Builder A body of mass 4 kg moving with velocity co…
Physics Work, Energy, Power and Collision Skill Builder MCQ (Single Correct)

A body of mass 4 kg moving with velocity 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

A
Zero
B
288 J
C
172.8 J
D
144 J

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Text Solution

Verified by Experts
The correct answer is:
C

In an inelastic collision, kinetic energy is not conserved but momentum remains conserved.

Momentum before collision Momentum after collision

Total kinetic energy before collision

Total kinetic energy after collision

Loss in kinetic energy of system

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