A body of mass 4 kg moving with velocity...

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

zero

288 j

172.8 j

144 j

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ERRORLESS -WORK, ENERGY, POWER & COLLISION-Assertion

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