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State the formula for acceleration due t...

State the formula for acceleration due to gravity at depth 'd' and altitude 'h'. Hence, show that their ratio in equal to `[frac(R-d)(R-2h)]` by assuming `h<< R rarr` radius of earth.

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CHETANA PUBLICATION-GRAVITATION-EXERCISE
  1. Draw the graph showing variation of gravitational acceleration due is ...

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  2. If the earth were a perfect sphere of radius 6.4 xx 10^6 m rotating it...

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  3. State the formula for acceleration due to gravity at depth 'd' and alt...

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  4. Calculate the K.E, P.E, Total energy and Binding energy of an artifici...

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  5. Define escape velocity. Derive an expression for the escape velocity o...

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  6. Obtain the relation between escape velocity and critical velocity when...

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  7. 0n which factors does the escape speed of a body from the surface of t...

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  8. Show that the escape velocity of a body from the surface of a planet o...

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  9. What do you mean by geostationary satellite ?

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  10. What is a geostationary satellite? State its two uses. OR What is...

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  11. State uses of geostationary (communication) satellite.

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  12. What is a polar Satellite?

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  13. Draw a neat labelled diagram to show different trajectories depending ...

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  14. Discus different causes of projection of satellite OR State the cond...

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  15. Why is it necessary to have a minimum two stage launching system to pu...

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  16. What is time period of polar satellite?

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  17. Define critical velocity and derive an expression for the same. OR W...

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  18. Prove that the critical velocity or Orbital velocity for a satellite o...

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  19. Find the gravitational force between the Sun and the Earth.

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  20. Why is weightlessness caused in a spaceraft?

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