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

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

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Assertion : A particle is projected upwards with speed upsilon and it goes to a heigth h . If we double the speed then it will move to height 4h . Reason : In case of earth, acceleration due to gravity g varies as g prop(1)/(r^(2)) (for r ge R )

Outside the earth, the weight of a body veries as ……………………..

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The value of acceleration due to gravity (g) at height h above the surface of earth is given as g^()=(gR)^(2)/((R+h))^(2) If h lt lt R , then prove that g^()=g(1-(2h)/(R))

Acceleration due to gravity on the surface of the earth is g = (GM)/(R^(2)) . The gravitational constant G is exacity known. But percentage error in measurement of the mass of earth M and radius of the earth R are 1% and 2% , respectively. The maximum percentage error in measurement of acceleration due to gravity on the surface of the earth is

The value of acceleration due to gravity (g) at height h above the surface of earth is given by g^'=(gR^2)/((R+h)^2) . If hlt ltR , then prove that g^'=g(1-(2h)/(R)) .

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NAVNEET PUBLICATION - MAHARASHTRA BOARD-GRAVITATION -QUESTIONS & ANSWERS
  1. Mass is a vector quantity.

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  2. Weight is a vector at the equator.

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  3. g has maximum value at the equator.

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

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

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  6. The value of g increases with altitude.

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

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

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

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

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  11. State the SI and CGS units of G.

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  12. State any one characteristic of gravitational force.

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  13. Name the force that keeps a satellite in the orbit around the earth.

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  14. Name the force due to which the earth revolves around the Sun.

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  15. What is the acceleration due to gravity at a height h ( = radius of th...

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  16. What is the relation between the SI unit of weight and CGS unit of wei...

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  17. Write the formula for the centripetal force acting on a body performin...

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  18. Write the formula for the escape velocity of a body from the earth's s...

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  19. What is the value of the acceleration due to gravity at the centre of ...

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  20. What are the factors on which the maximum height attained by a body th...

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