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If the earth suddenly contracts so that ...

If the earth suddenly contracts so that its radius reduces by 4% with mass remaining same, then what will happen to the escape velocity from earth's surface now?

A

Increases by 4%

B

Decreases by 4%

C

Increases by 2%

D

Decreases by 2%

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TARGET PUBLICATION-Gravitation-Exercise
  1. Ve and Vp denote the escape velocities from the earth and another plan...

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  2. Escape velocity of a satellite of the earth at an altitude equal to ra...

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  3. If the earth suddenly contracts so that its radius reduces by 4% with ...

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  4. To have an earth satellite synchronous with the rotation of the earth,...

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  5. The relay satellite transmits the T.V programme continously from one p...

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  6. If a body is released from an artificial satellite then

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  7. The orbital speed of Jupiter is

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  8. The critical velocity of a satellite of mass l 00 kg is 20 km/hr. The ...

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  9. The mean radius of the earth is R, its angular speed on its own axis i...

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  10. The orbital velocity of a satellite very near to the surface of earth ...

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  11. A Satellite is launched into a circular orbit of radius R around the e...

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  12. Time period of revolution of a nearest satellite around a planet of ra...

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  13. A satellite is moving very close to a planet of density 8xx10^3kgm^(-3...

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  14. If two identical satellites are at R and 7R away from earth surface, t...

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  15. A satellite of mass m moves around the Earth in a circular orbit with ...

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

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  17. A satellite of mass M is orbiting the earth in a circular orbit of rad...

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  18. The correct graph representing the variation of total energy (T.E.), k...

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  19. Suppose the universal gravitational constant starts to decrease, then

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  20. At a given place where acceleration due to gravity is 'g' m//s^2, a sp...

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