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If the orbital speed of an artificial s...

If the orbital speed of an artificial satellite revolving very close to the earth is v and the escape velocity from the surface of the earth is `v_e` then `v_e =……….. X v`.[Fill in the blanks]

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The correct Answer is:
`sqrt(2)`
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CHHAYA PUBLICATION-NEWTONIAN GRAVITATION AND PLANETARY MOTION-EXERCISE (Very Short Answer Type Questions)
  1. Write down one most important application of geostationary satellite.

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  2. Assuming that the earth revolves around the sun in a circular orbit, ...

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  3. If the distance between the sun and the earth were half the present va...

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  4. If two satellite revolve in two different circular orbits, the orbital...

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  5. The orbital speed of a satellite of the earth does not depend on the m...

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  6. Two satellite A and B are revolving around the earth at the same heigh...

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  7. If the orbital speed of an artificial satellite revolving very close ...

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  8. A geostationary satellite orbits the earth once in 24 h in the …….of t...

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  9. If the radius of the earth is R, what will be the distance of a geosta...

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  10. A person inside an artificial satellite revolving around the earth fee...

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  11. The orbit of a polar satellite lies in the …….plane.

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  12. The total energy of an artificial satellite of mass m revolving around...

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  13. What will be the length of a year if the distance between the earth an...

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  14. What is the dimension of gravitational intensity ?

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  15. What is the unit of the intensity of gravitational field ?

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  16. Where is the weight of a body greater -at the equator or at the poles...

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  17. State whether your weight will increase or decrease if the angular vel...

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  18. State whether the value of g increases or decreases if one moves from...

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  19. Where on the surface of the earth is the value of g least due to the d...

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  20. If the force of gravity ceases to act suddenly, then all bodies would ...

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