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The unit of power is :...

The unit of power is :

A

watt per second

B

joule

C

kilo joule

D

watt

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The correct Answer is:
D
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MCGROW HILL PUBLICATION-WORK AND ENERGY-HIGHER ORDER THINKING QUESTIONS
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  2. Which of the following units is different from others ?

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  3. If theta is smaller angle between force vector vec(F) and velocity ve...

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  4. If p and E represent linear momentum and kinetic energy respectively, ...

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  5. the correct variation between sqrt(E) and p is shown by

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  6. In question 62, the correct variation between sqrt(E) and (1)/(sqrt(p)...

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  7. When a body is in dynamic equilibrium, then work done is

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  8. The slope of work-time curve at any instant gives

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  9. Area under power-time curve gives

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  10. The violation of any law of conservation indi- cates that

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  11. When water is flowing through a pipe with a speed v, then its power is...

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  12. If the momentum of a body is increased n times, its kinetic energy inc...

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  13. When speed of a vehicle becomes n times, with the application of same ...

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  14. The slope of potential energy versus position graph represents

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  15. A person holds a bucket of weight 80 N. He walks 8 m along the horizon...

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  16. The amount of work done in pumping water out of a cubical vessel of he...

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  17. A body is under the action of two equal and op- posite forces, each 5 ...

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  18. A motor drives a body along a straight line with a constant force. The...

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  19. An automobile engine of mass m accelerates and a constant power Pis ap...

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  20. A body moves from rest with a constant ac- celeration. Which of the fo...

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  21. The graph bet ween kinetic energy (E) and speed (v) of the body is cor...

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