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A satellite of mass m is revolving in a ...

A satellite of mass m is revolving in a circular orbit of radius r. The relation between the angular momentum J of satellite and mass m of earth will be -

A

`sqrt(GMm^(2)r)`

B

`2msqrt(GMr)`

C

`2Msqrt(Gmr)`

D

`sqrt((Gm)/r)`

Text Solution

Verified by Experts

The correct Answer is:
A

`L=mv_(0)r,`
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NARAYNA-GRAVITATION-EXERCISE -I (H.W.)
  1. The escape velocity of a sphere of mass m is given by

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  2. A body is projected up with a velocity equal to 3//4th of the escape v...

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  3. A spacecraft is launched in a circular orbit very close to earth. What...

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  4. If the escape velocity on the earth is 11.2km-s^-1, its value for a pl...

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  5. The escape velocity of a body from earth's surface is ve. The escape v...

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  6. The escape velocity of a body from the surface of the earth is V(1) an...

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  7. The ratio of the orbital speeds of two satellites of the earth if the ...

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  8. An artificial satellite is revolving in a circular orbit at height of ...

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  9. The mean radius of the orbit of a satellite is 4 times as great as tha...

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  10. If the mass of earth were 4 times the present mass, the mass of the mo...

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  11. A satellite of mass m revolves around the earth of mass M in a circula...

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  12. A satellite of mass m is revolving in a circular orbit of radius r. Th...

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  13. Two satellite of masses 40kg, 50kg are revolving around earth in diffe...

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  14. Angular momentum of a satellite revolving round the earth in a circula...

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  15. The K.E. of a satellite is 10^(4)J. It's P.E.is

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  16. The energy required to move a body of massm from an orbit of radius 3R...

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  17. K.E. of an orbiting satellite is K. The minimum additional K.E. requir...

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  18. Imagine a geo-stationary satellite of the earth which is used as an in...

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  19. The height of a geo-stationary satellite above the centre of the earth...

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  20. How much faster than it's normal rate should the earth rotate about it...

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