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Escape velocity of a body 1 kg mass on a...

Escape velocity of a body `1 kg` mass on a planet is `100 ms^(-1)`. Gravitational potential energy of the body at that planet is

A

`- 5000 J`

B

`- 1000 J`

C

`-2400 J`

D

`-10000 J`

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The correct Answer is:
A
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ALLEN -GRAVITATION-EXERCISE 1
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  2. Potential energy of a 3kg body at the surface of a planet is -54 J, th...

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

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

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

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

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

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  8. Binding energy of moon and earth is :-

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

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

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

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  17. A satellite of earth of mass 'm' is taken from orbital radius 2R to 3R...

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  18. If a graph is plotted between T^(2) and r^(3) for a planet, then its s...

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  19. A planet is revolving around the sun. its distance from the sun at apo...

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