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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

A

zero

B

288 J

C

172.8 J

D

144 J

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SL ARORA-Work, Energy and power-EXERCISE
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  2. In an elastic collision

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  3. A body of mass 4 kg moving with velocity 12 m//s collides with another...

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  4. A block having mass m collides with an another stationary block having...

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  8. A ball collides impinges directly on a similar ball at rest. The first...

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  9. A body of mass m(1) collides elastically with another body of mass m(2...

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  10. When a body moves in a circular path, no work is done by the force sin...

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  11. Assertion: Mass and energy are not conserved separately, but are conse...

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  12. Assertion : In an elastic collision of two billiard balls, the total ...

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  13. If the momentum of a body increases by 0.01%, its kinetic energy will ...

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  14. Assertion: When a ball collised elastically with a floor, it rebounds ...

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  15. In the following questions, a statement of assertion is followed by a ...

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  16. Statement I: In an elastic collision between two bodies, the relative ...

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  17. Assertion: A quick collision between two bodies is more violent that s...

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  18. Assertion : KE is conserved at every instant of elastic collision. R...

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  19. Statement I. A particle strikes head-on with another stationary partic...

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  20. Assertion : A work done in moving a body over a closed loop is zero ...

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