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0n which factors does the escape speed o...

0n which factors does the escape speed of a body from the surface of the earth depend?

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The escape velocity of a body from the surface of the earth is equal to

Show that the escape velocity of a body from the surface of a planet of radius R and mean density rho is Rfrac(sqrt8pirhoG)(3) OR Show that the escape velocity of a body from the surface of the earth is 2Rfrac(sqrt2pirhoG)(3) , where R is the radius of the earth and rho is the mean density of the earth. OR Obtain formula of escape velocity of a body at rest on the earth's surface in terms of mean density of erth.

The escape velocity from the surface of the earth of radius R and density rho

A satelite is revolving in a circular orbit at a height h above the surface of the earth of radius R. The speed of the satellite in its orbit is one-fourth the escape velocity from the surface of the earth. The relation between h and R is

The escape velocity of a body from the surface of the earth is V_e and the escape velocity of the body from a satellite orbiting at a height 'h' above the surface of the earth is v_e ' then

Define escape velocity. Derive an expression for the escape velocity of an object from the surface of the earth. OR Define escape velocity of a body at rest on the earth's surface. Obtain an expression for the same and show that it is independent of the mass of the body. OR Define escape velocity of the body. Obtain an expression for the escape velocity when the body is at rest on the surface of the earth and show that it is independent of the mass of the body.

If the Earth were made of wood, the mass of wooden Earth would have been 10% as much as it is now (without change in its diameter). Calculate escape speed from the surface of this Earth.

A satellite is going in a circular orbit of radius 4 xx 10^5 km around the earth has a certain speed. (b) What will be the ratio of the weight of a body on the surface of Mars to tyhe weight of the same body on the surface of the earth? The masses of earth and Mars are in the ratio 10:1 and their radii are in the ratio 2:1

Find the escape speed of a body from the surface of mars . [Radius of mars = 3392 Km, g_(Mars) = 3.724 m//s^2 ]

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CHETANA PUBLICATION-GRAVITATION-EXERCISE
  1. Define escape velocity. Derive an expression for the escape velocity o...

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

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  3. 0n which factors does the escape speed of a body from the surface of t...

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

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  5. What do you mean by geostationary satellite ?

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

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  7. State uses of geostationary (communication) satellite.

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  8. What is a polar Satellite?

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

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

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

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  12. What is time period of polar satellite?

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

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

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

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  16. Why is weightlessness caused in a spaceraft?

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  17. As we go from one planet to another planet, how will the mass and weig...

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  18. Obtain an expression for the period of a satellite in a circular orbit...

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  19. Derive an expression for time period of a satellite orbiting very clos...

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  20. Define binding energy. State its units and dimensions.

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