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If R is the radius of the earth and .g. ...

If R is the radius of the earth and .g. the acceleration due to gravity, the mass of the earth is

A

`(gR^2)/G`

B

`(gG)/R^2`

C

`(GR^2)/g`

D

`GgR^2`

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The correct Answer is:
A
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AAKASH SERIES-GRAVITATION-Practice Exercise
  1. The mass of a planet is 1/25th of the mass of the earth. The distance ...

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  2. A small body of superdense material, whose mass is half the mass of th...

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  3. If R is the radius of the earth and .g. the acceleration due to gravit...

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  4. The value of acceleration due to gravity .gp. on the surface of a plan...

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  5. The radius and acceleration due to gravity of moon are 1/4 and 1/5 tha...

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  6. A man weighs 75kg on the surface of the earth. His weight on a geostat...

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  7. Two planets of radii r1 and r2 are made from the same material. The ra...

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  8. If the Radius of earth were shrink by 10% its mass remaining same, the...

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  9. If the radius of the earth is 6400 km, the height above the surface of...

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  10. If the change in the value of g at a height h above the surface of the...

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  11. If R is the radius of earth , the height ,at which the weight of a bod...

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  12. Find the depth at which g becomes 4% less than value at surface

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  13. If the radius of the earth is 6400km, the depth at which the accelerat...

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  14. A man weighs 60kg on the surface of the earth. The altitude where his ...

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  15. The acceleration due to gravity at the poles is 10ms^(-2) and equitori...

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  16. If .g. is acceleration due to gravity on the earth.s surface, then the...

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  17. The gravitational potential at centre of earth is

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  18. Two particles each of mass 1kg are seperated by a distance of 1m in a ...

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  19. The orbiting time .T. of a surface satellite is given by the relation

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  20. An earth satellite is revolving in a circular orbit of radius 7000km. ...

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