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A metal ball of mass 2 kg moving with a ...

A metal ball of mass 2 kg moving with a velocity of `36km//h` has a head on collision with a stationery ball of mass 3 kg. If after the collision, the two balls move together, the loss in kinetic energy dur to collision is

A

40 J

B

60 J

C

100 J

D

140 J

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SL ARORA-Work, Energy and power-EXERCISE
  1. Which of the following is true ?

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  2. Two particles are seen to collide and move jointly together after the ...

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  3. A metal ball of mass 2 kg moving with a velocity of 36km//h has a head...

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  4. A particle of mass m, moving with velocity v collides a stationary par...

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  5. In an elastic collision

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

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

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  8. A ball is bouncing down a set of stairs. The coefficient of restitutio...

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  9. If linear momentum if increased by 50% then kinetic energy will be inc...

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  10. A body moves from rest with a constant acceleration. Which one of the ...

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

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

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

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

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

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

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

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

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

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

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