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A person goes up in space to a height eq...

A person goes up in space to a height equal to `1/4` times the radius of earth . What will be his weight there as compared to that on the earth?

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JBD PUBLICATION-Model Test Paper 10-EXERCISE
  1. State and explain the law of conservation of linear momentum. Explain ...

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  2. State and prove work-energy theorem.

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  3. A person goes up in space to a height equal to 1/4 times the radius of...

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  4. The average depth of Indian ocean is 3 km. Find the fractional compres...

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  5. Energy of 484 J is spent in increasing the speed of a flywheel from 60...

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  6. A ball is droped from a 256 m high eower and at the same time another ...

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  7. Define cross produced of two vectors and state its propertics.

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  8. Define angle of friction.

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  9. Calculate the angle through which the cyclist bends with the vertical ...

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  10. Explain conservative and non-conservative forces with one example of e...

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  11. What is the value of 'g' at a height near the surface of earth?

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  12. Define potential enrgy of a body .Find an expression for the potential...

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  13. Define first law of themodynamics and expain its limitations.

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  14. Write the postilates of kinetic theory of gases.

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  15. What is an echo?

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

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  17. Which physical quantity remains conserved during simple harmonic motio...

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  18. Explain Doppler effect.Find an expression for the change in frequency.

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  19. Define elasticity.

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  20. State Newton's law of cooling.

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