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The kinetic enregy of a body decreases b...

The kinetic enregy of a body decreases by 19% .What is the percentage decrease in mementum?

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JBD PUBLICATION-MODEL TEST PAPER-04-EXERCISE
  1. Fill in the blanks: Horizontal range is same for angle of porjectio...

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  2. Explain why:- it is easier to pull a lawn mower than to push it.

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  3. The kinetic enregy of a body decreases by 19% .What is the percentage ...

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  4. A motorcyclist loops the loop of radius 8 m.From what minimum height m...

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  5. Assuming the earth to be a sphere of uniform mass density, how much wo...

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  6. Steel is more elastic than rubber. Explain why?

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  7. Derive a relation between linear acceleration and angular acceleration...

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  8. A body is dropped form the top of the tower and reaches the ground in ...

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  9. Newton's second lasw of motion is not the real law of motion.(Yes//No)

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  10. A ball of mass 50 g falls from a height of 10 m and rebounds to a hei...

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  11. Show that sum of P.E. and k.E. of a freely falling body is conserved.

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  12. Write characteristics of gravitational force.

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  13. Define critical velocity and find a relation fo it .Also discuss the i...

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  14. What is heat?

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  15. Define seconds pendulum.

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  16. What is relation between acceleration and displacement of a particle e...

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  17. Derive Newton's formula for velocity of sound in air. Point out the er...

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  18. Why dust particles take long time to settle down ?

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  19. State and prove Bernoulli's theorem for liquid having streamline flow.

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  20. Define latent heat.

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