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The value of acceleration due to gravity...

The value of acceleration due to gravity at the surface of earth

A

`(sqrt(x/y)-1)R`

B

`(sqrt(y/x)-1)R`

C

`sqrt(y/x)R`

D

`sqrt(x/y)R`

Text Solution

Verified by Experts

The correct Answer is:
A
`x=(GM)/(R^(2)), y=(GM)/((R+h)^(2))`
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NARAYNA-GRAVITATION-EXERCISE -I (C.W.)
  1. The angular velocity of the earth with which it has to rotate so that ...

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  2. Assume that the acceleration due to gravity on the surface of the moon...

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  3. The value of acceleration due to gravity at the surface of earth

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  4. The point at which the gravitational force acting on any mass is zero ...

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  5. Masses 2kg and 8kg are 18cm apart. The point where the gravitational f...

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  6. Particles of masses m(1) and m(2) are at a fixed distance apart. If th...

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  7. The PE of three objects of masses 1kg,2kg and 3kg placed at the three ...

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  8. A small body is initially at a distance r from the centre of earth. r ...

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  9. A body of mass 'm' is raised from the surface fo the earth to a height...

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  10. A person brings a mass 2kg from A to B. The increase in kinetic energy...

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  11. The work done liftting a particle of mass 'm' from the centre of the e...

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  12. The figure shows two shells of masses m(1) and m(2). The shells are co...

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  13. Energy required to move a body of mass m from an orbit of radius 2R to...

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  14. the ratio of escape velocities of two planets if g value on the two pl...

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  15. The escape velocity from the surface of the earth of radius R and dens...

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  16. A body is projected vertically up from surface of the earth with a vel...

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  17. A spaceship is launched in to a circular orbit of radius R close to su...

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  18. The escape velocity from the earth is 11 km//s. The escape velocity fr...

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  19. An object of mass m is at rest on earth's surface. Escape speed of thi...

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  20. A satellite revolves in a circular orbit with speed, V=1/(sqrt(3))V(e)...

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