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A projectile of mass m is thrown vertica...

A projectile of mass m is thrown vertically up with an initial velocity v from the surface of earth (mass of earth = M). If it comes to rest at a height h, the change in its potential energy is

A

`GMmh//R(R+h)`

B

`GMmh^(2)//R(R+h)^(2)`

C

`GMmhR//R(R+h)`

D

`GMm//hR(R+h)`

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The correct Answer is:
A
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ALLEN -GRAVITATION-EXERCISE 1
  1. The gravitational potential energy of a body at a distance r from the ...

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  2. A particle falls towards the earth from inifinity. The velocity with w...

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  3. A projectile of mass m is thrown vertically up with an initial velocit...

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  4. Two small and heavy spheres, each of mass M, are placed a distance r a...

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  5. An artificial satellite moving in a circular orbit around the earth ha...

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  6. A particle of mass m is moving in a horizontal circle of radius R unde...

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  7. Potential energy of a 3kg body at the surface of a planet is -54 J, th...

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  8. Escape velocity of a body 1 kg mass on a planet is 100 ms^(-1). Gravit...

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  9. The ratio of radii of two satellites is p and the ratio of their accel...

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  10. The escape velocity for a body projected vertically upwards from the s...

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  11. The escape velocity for the earth is 11.2 km / sec . The mass of anoth...

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  12. A body is projected vertically upwards from the surface of the earth w...

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  13. Binding energy of moon and earth is :-

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  14. Two artificial satellites A and B are at a distance r(A) and r(B) abov...

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  15. The average radii of orbits of mercury and earth around the sun are 6x...

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  16. A body is dropped by a satellite in its geo-stationary orbit :

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  17. Two ordinary satellites are revolving round the earth in same elliptic...

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  18. Kepler's second law is a consequence of

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  19. One projectile after deviating from its path starts moving round the e...

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  20. In adjoining figure earth goes around the sun in eliptical orbit on wh...

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