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Define unit of power...

Define unit of power

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The correct Answer is:
The unit of power is watt. One watt is difined as the power when one joule of work is done inoe second.
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FULL MARKS-WORK, ENERGY AND POWER-Additional Question Solved (II. Short Answer Questions)
  1. Discuss the force - displacement graph for a spring.

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  2. Discuss the force - displacement graph for a spring.

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  3. Define unit of power

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  4. Define power, average power, instantaneous power.

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  5. Define elastic and inelastic collision.

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  6. What will happen to the potentail energy of the system ? If (i) Two ...

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  7. Write the differences between conservative and Non - conscrvative forc...

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  8. A light and heavy body have equal momentum, which has greater K.E?

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  9. The momentum of the body is doubled, what % does its K.E. change ?

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  10. A body is moving along a circular path . How much work is done by the ...

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  11. Which spring has greater value of spring constant-a hard spring or a d...

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  12. Two bodies stick together after collision. What types of collision is ...

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  13. State the condition under which a force does not work.

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  14. How will the momentum of a body change if its K.E. is doubled ?

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  15. K.E. of a body is increased by 300%. Find the % increase in its moment...

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  16. A light and a heavy body have same K.E., which of the two have more m...

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  17. Does the P.E. of the spring decreases or increases when it si compress...

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  18. Name a process in which momentum change but K.E. does not

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  19. What happens to the P.E. of a bobble when it rises in water ?

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  20. A body is moving at constant speed over a frictionaless surface. What ...

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