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Does the work done in raising a box on a...

Does the work done in raising a box on a platform depend upon how fast it is raised up? If not, why?

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JBD PUBLICATION-WORK,ENERGY AND POWER-EXAMPLE
  1. Name motion in which momentum changes but K.E. remains constant.

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

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

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  4. How many ergs are there in one joule?

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  5. How many joules are there in MeV?

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

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

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

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

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

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

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  12. When two identical spheres collide obliquely with one of them initialy...

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  13. What is common feature of all types of collisions?

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  14. Which physical quantity is conserved during both elastic and inelastic...

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  15. What are the conditions so that transfer of kinetic energy is maximum ...

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  16. A ball of mass M1 collides elastically and head on with another ball o...

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  17. A moving ball of mass m undergoes a head - on elastic collision with ...

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  18. When is mechanical work done?

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  19. What is a joule?

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  20. In a tug of war ,what is work done?

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