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Assertion: When a ball collised elastica...

Assertion: When a ball collised elastically with a floor, it rebounds with the same velocity as with it strikes.
Reason: Momentum of earth + ball system remains constant.

A

If both assertion and reason are true and reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not correct explanation of the assertion.

C

If assertion is true, but reason is false.

D

If both assertion and reason are false/assertion is false and reason is true.

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SL ARORA-Work, Energy and power-EXERCISE
  1. Assertion : In an elastic collision of two billiard balls, the total ...

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

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

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

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

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

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

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

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

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  10. A body moves a distance of 10 m along a straight line under an action ...

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  11. When a body moves with a constant speed along a circle

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  12. A body constrained to move in y direction is subjected to a force give...

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  13. A uniform force of (3 hati + hatj) newton acts on a partical of mass 2...

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  14. If oversetrightarrowF=(60hati+15hatj-3hatk)N and oversetrightarrowv=(2...

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  15. A position dependent force F=7-2x+3x^(2) acts on a small body of mass ...

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  16. A force acts on a 3.0 gm particle in such a way that the position of t...

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  17. A body of mass 3 kg is under a constant force which causes a displacem...

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  18. Force F on a particle moving in a straight line varies with distance d...

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  19. A bomb of mass 30 kg at rest explodes in to two pieces of masses 18 kg...

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  20. A mass of 1 kg is thrown up with a velocity of 100 m/s. After 5 second...

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