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Define power and explain its units ....

Define power and explain its units .

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  1. How we define average and instantaneous velocity ?

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  2. Explain gravitational units of work and the relation between the Joule...

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  3. Define power and explain its units .

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  4. What is energy, Explain kinetic and potential energies.

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  5. Show that gravitational potential energy is independent of path follow...

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  6. Discuss Einstein's mass- energy relation.

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  7. Define collision .Explain its types with examples.

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  8. State of law of conservation of mass.

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  9. An engine pulls a train over 5 km of distance by applying a force of 5...

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  10. A man weighing 60kg goes up a staircase 5 m high in 20 sec. Calculate...

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  11. If the momentum of a body is doubled, how will its kinetic energy vary...

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  12. A light body moving in a straight line with a velocity of 10 ms^(-1) m...

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  13. What is conserved in the elastic collision of two bodies ?

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  14. A light body and a heavy body have, same kinetic energy. Which one wil...

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  15. A particle of mass 6 kg moves accordings to the law x=0.2 t^2-0.02 t^3...

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  16. State the law of conservation of energy and the law of conservation of...

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  17. A light body and a heavy body have, same kinetic energy. Which one wil...

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  18. A very heavy body moving with a velocity of 10 ms^(-1)makes a head on ...

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  19. Two bodies of mass 1 kg and 2 kg have equal momentum. The ratio of the...

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  20. What is perfectly elastic collision ?

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