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What should be the orbit radius of a com...

What should be the orbit radius of a communication satellite that it can cover 75% of the surface area of earth during its revolution.

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The correct Answer is:
`[1.515 R_(e )]`
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PHYSICS GALAXY - ASHISH ARORA-GRAVITATION-Particle Exercise
  1. A satellite is to revolve around the earth in a circle of radius 8000 ...

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  2. Assume the radius of the earth to be 6.4xx10^(6)m a. Calculate the t...

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  3. A satellite of mass 2xx10^(3)kg has to be shifted from an orbit of rad...

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  4. A double star is a system of two starts moving around the centre of in...

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  5. If a planet was suddenly stopped in its orbit supposed to be circular,...

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  6. A particle takes a time t(1) to move down a straight tunnel from the s...

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  7. A planet of mass M moves around the Sun along an ellipse so that its m...

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  8. Suppose we have made a model of the Solar system scaled down in the ra...

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  9. Two Earth's satellites move in a common plane along circular orbits. T...

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  10. A satellite is put in an orbit just above the earth's atmosphere with ...

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  11. A cosmic body A moves to the sun with velocity v(0)(when far from the ...

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  12. Two satellites S(1) and S(2) revolve round a planet in coplaner circul...

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  13. If a planet revolve around the sun in an elliptical orbit such that it...

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  14. For a low altitude orbit if r ~= r(p), where r(p) is planet radius, sh...

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  15. What should be the orbit radius of a communication satellite that it c...

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  16. The radius of a planet is R1 and a satellite revolves round it in a ci...

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  17. The small dense stars rotate about their common centre of mass as a bi...

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  18. An artificial satellite is moving in a circular orbit around the earth...

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  19. A particle is projected from point A, that is at a distance 4R form th...

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  20. A mass of 6xx10^(24) kg is to be compressed in a sphere in such a way ...

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