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Two satellites are at different heights ...

Two satellites are at different heights from the surface of earth. Which would have greater velocity?

Text Solution

Verified by Experts

Orbital velocity,
`v_(0)=sqrt((GM)/(R+h))`
Clearly, the satellite revolving at smaller height h from the surface of the earth will have a greater velocity.
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PREMIERS PUBLISHERS-GRAVITATION-OTHER IMPORTANT QUESTION & ANSWERS (SHORT ANSWER QUESTIONS)
  1. Define 'G'. What are the units and dimensions of 'G' ?

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  2. Two satellites are at different heights from the surface of earth. Whi...

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  3. What is the gravitational field strength of a planet where the weight ...

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  4. A satellite does not need any fuel to move around the earth. Give reas...

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  5. When a comet orbits the sun in highly elliptical orbit does a comet ha...

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  6. What is 'retrograde motion' of planets?

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  7. On what factors does escape speed depends on?

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  8. Does the escape speed depends on the direction in which object is thro...

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  9. Important points to remember

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  10. What is meant by superposition of gravitational field?

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  11. State the condition in which gravitational potential energy is said to...

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  12. Why hydrogen an helium are not found in abudance on the Earth's atmosp...

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  13. Derive the expression for gravitational potential energy.

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  14. Why do we have seasons on Earth?

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  15. Define 'G'. What are the units and dimensions of 'G' ?

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  16. Two satellites are at different heights from the surface of earth. Whi...

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  17. What is the gravitational field strength of a planet where the weight ...

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  18. A satellite does not need any fuel to move around the earth. Give reas...

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  19. A comet orbits the sun is highly elliptical orbit. Does a comet has a ...

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  20. What is 'retrograde motion' of planets?

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