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State if each of the following statement...

State if each of the following statements is true or false. Give reasons for your answer:- In an elastic collision of two bodies, the momentum and energy of each body is conserved.

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JBD PUBLICATION-WORK,ENERGY AND POWER-EXAMPLE
  1. Define elastic collision. Show thaat in an elastic collision, relative...

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

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

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

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

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

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

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

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

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  10. When is mechanical work done?

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  11. What is a joule?

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

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  13. Explain with an example that a body may possess energy even when it is...

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  14. Is there any work done by a man wh climbbs up the stairs of his house?...

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  15. What is conservative force?

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  16. What is non-conservative force?

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  17. Moment of a force and work done by a force have same units.then what i...

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  18. A bus and car have the same momentum .Which of them has greater kineti...

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  19. What is the significance of work-energy theorem?

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  20. What is power ? Write its SI unit also.

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