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Is mass of a body conserved?...

Is mass of a body conserved?

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JBD PUBLICATION-WORK,ENERGY AND POWER-EXAMPLE
  1. What kind of energy is stored in a dam?

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  2. What kind of energy is stored in a spring?

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  3. Is mass of a body conserved?

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  4. What is the work done by centripetal force?/

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  5. What it Einstein's mass energy relation?

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  6. For a force to do maximum work, what should be the angle between force...

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  7. Can potential nergy of an object be negative?

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  8. Can KE of a system be increased or decreased without the application o...

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  9. Is linear momentum of any system always conserved?

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  10. Name motion in which momentum changes but K.E. remains constant.

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  11. Out of joule ,calories ,kilowatt and million electron volt,which one i...

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  12. Does the work done in raising a box on a platform depend upon how fast...

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  13. How many ergs are there in one joule?

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  14. How many joules are there in MeV?

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  15. When an air bubble rises in water, what happens to its potential energ...

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  16. What is coefficient of restitution? What is its value for perfectly el...

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  17. What is coefficient of restitution? What is its value for perfectly el...

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  18. Define elastic collision. Show thaat in an elastic collision, relative...

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  19. The collision between two hydrogen atoms is perfectly elastic ,so the ...

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  20. State if each of the following statements is true or false. Give reaso...

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