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What is the relation between the mean de...

What is the relation between the mean density of the earth and G ?

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The correct Answer is:
`rho=(3g)/(4pi GR)`
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CHHAYA PUBLICATION-NEWTONIAN GRAVITATION AND PLANETARY MOTION-EXERCISE (Very Short Answer Type Questions)
  1. What is the value of the acceleration due to gravity of all bodies (he...

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  2. Write down the relation between g and G .

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  3. What is the relation between the mean density of the earth and G ?

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  4. Write down the variation of the acceleration due to gravity at a point...

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  5. The value of g at the poles is greater than its value at the equator -...

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  6. What is the value of the acceleration due to gravity on the surface o...

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  7. The decrease in the acceleration due to gravity at a height above the ...

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  8. The acceleration due to gravity at a height above the earth's surface ...

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  9. Give the value of the angular velocity of the earth for which the acce...

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  10. If the diurnal motion of the earth ceases, write the variation of g at...

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  11. If the angular velocity of the earth is increased , write the variatio...

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  12. If the radius of the earth is halved keeping its mass unchanged, then ...

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  13. During free fall, the weight of a body becomes……….

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  14. What will be the value of acceleration due to gravity on the earth'...

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  15. Where is the escape velocity of a body greater -from the earth or from...

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  16. How does the escape velocity of a body from the earth depend on the ma...

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  17. From the surface of a planet, the escape velocity of all bodies - heav...

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  18. From the surface of the moon, give the value of the escape velocity ...

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  19. What is the relation between orbital and escape velocity ?

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  20. When a body coming from infinity falls on the earth's surface, give it...

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