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The escape velocity of a body from the e...

The escape velocity of a body from the earth's surface, `v_("esc")=`……….. .

A

`sqrt((GM)/(R))`

B

`2sqrt((GM)/(R))`

C

`sqrt((2GM)/(R))`

D

`sqrt((GM)/(2R))`

Text Solution

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The correct Answer is:
c
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NAVNEET PUBLICATION - MAHARASHTRA BOARD-GRAVITATION -QUESTIONS & ANSWERS
  1. In the usual notation, the acceleration due to gravity at a height h f...

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  2. The SI unit of the universal constant of gravitation is …………. .

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  3. The escape velocity of a body from the earth's surface, v("esc")=……….....

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  4. How much will a person with 72 N weight on the earth, weigh on the moo...

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  5. What will be the weight of a person on the earth, who weights 9 N on t...

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  6. If the separation between two particles is doubled, the gravitational ...

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  7. The CGS unit of the universal constant of gravitation is the dyne cm^(...

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  8. At the centre of the earth , the value of the acceleration due to grav...

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  9. The weight of a body is minimum at the poles.

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  10. Mass is a vector quantity.

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  11. Weight is a vector at the equator.

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  12. g has maximum value at the equator.

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  13. Outside the earth, g varies as 1//(R+h)^(2).

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  14. The value of G changes from place to place.

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  15. The value of g increases with altitude.

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  16. The escape velocity of a body does not depend on the mass of the body.

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  17. The mass of a body is the amount of matter present in it.

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  18. Study the entries in the following table the rewrite then putting the ...

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  19. Study the entries in the following table the rewrite then putting the ...

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  20. State the SI and CGS units of G.

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