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One can easily "weigh the earth" by calc...

One can easily "weigh the earth" by calculating the mass of earth using the formula (in usual notation)

A

`G/g R_(E)^(2)`

B

`g/G R_(E)^(2)`

C

`g/G R_(E)`

D

`G/g R_(E)^(3)`

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The correct Answer is:
B
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ALLEN -GRAVITATION-EXERCISE 1
  1. Mars has a diameter of approximately 0.5 of that of earth, and mass of...

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  2. Three equal masses of 1 kg each are placed at the vertices of an equil...

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  3. One can easily "weigh the earth" by calculating the mass of earth usin...

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  4. Acceleration due to gravity at the centre of the earth is :-

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  5. The value of 'g' on earth surface depends :-

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  6. The value of 'g' reduces to half of its value at surface of earth at a...

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  7. The acceleration due to gravity on a planet is 1.96 ms^(-1). If it is ...

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  8. If the earth stops rotating sudenly, the value of g at a place other t...

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  9. Diameter and mass of a planet is double that earth. Then time period o...

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  10. Gravitation on moon is (1)/(6) th of that on earth. When a balloon fil...

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  11. The acceleration due to gravity g and mean density of earth rho are re...

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  12. Will 1 kg sugar be more at poles or at the equator?

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  13. When you move from equator to pole, the value of acceleration due to g...

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  14. When the radius of earth is reduced by 1% without changing the mass, t...

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  15. Weight of a body of mass m decreases by 1% when it is raised to height...

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  16. Acceleration due to gravity at earth's surface if 'g' m//s^(2). Find t...

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  17. The mass of moon 1% of mass of earth. The ratio of gravitational pull ...

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  18. Imagine a new planet having the same density as that of earth but 3 ti...

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  19. The change in the value of g at a height h above the surface of the ea...

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  20. If the speed of rotation of earth about its axis increases, then the w...

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