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At what height above the surface of eart...

At what height above the surface of earth acceleration due to gravity will be
(i) 4%

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The correct Answer is:
25600 km
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At what height above the surface of earth acceleration due to gravity will be (ii) 50% of its value on the surface of the earth. Given radius of earth =6400 km.

At what height above the surface of the earth will the acceleration due to gravity be one-fourth of its value on the surface of the earth ?[Radius of the earth =R]

At what height above the surface of the earth will the acceleration due to gravity be half of its value on the earth's surface ? Radius of the earth =6400 km.

If the radius of the earth is R , the height above the surface of the earth where the acceleration due to gravity will be 1% of its value on the earth's surface is

At what depth below the surface of the earth will the acceleration due to gravity be one-fourth of its value on the earth's surface ? Assume that the earth is a homogeneous sphere of uniform density of radius R.

At what depth below the surface of the earth will the acceleration due to gravity decreases by 1% with respect to that on the earth's surface ? The earth can be taken as a uniform sphere of radius 6400 km.

An object of mass m is raised up to a small height h above the earth's surface. If the acceleration due to gravity on the earth's surface is g, prove that the weight of the object will decreases by (2mgh)/R with respect to that on the earth's surface . R =radius of the earth.

IF g is the acceleration due to gravity on the earth's surface , then at a depth x acceleration due to gravity will be g (1- ( x) /( R )) - prove it . [ R is the radius of the earth ]

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CHHAYA PUBLICATION-NEWTONIAN GRAVITATION AND PLANETARY MOTION-PROBLEM SET -I
  1. The distance between the centres of two spheres of masses 50 kg and 10...

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  2. A sphere of mass 40 kg is alternated by another sphere of mass 15kg wi...

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  3. At what height above the surface of earth acceleration due to gravity ...

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  4. At what height above the surface of earth acceleration due to gravity ...

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  5. A body weight 90 kgf on the surface of earth. How much will it weight ...

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  6. The radius of the earth is 6.38 xx10^8 cm. its mean density is 5.5 g*c...

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  7. Two masses 800 kg and 600 kg are at a distance of 0.25 m apart. Calcul...

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  8. At what height above the surface of the earth will the acceleration du...

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  9. At what height above the surface of the earth will the acceleration du...

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  10. At what depth below the surface of the earth will the acceleration due...

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  11. If the mass of the earth is 6xx10^(27)g and its radius 6400 km, what w...

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  12. If the radius of the earth is 6400 km, g=9.8 m*s^(-2) and G=6.7xx10^(-...

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  13. Show that if the earth stops rotating about its axis, then the acceler...

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  14. Choose the correct alternative : (i) Acceleration due to gravity (in...

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  15. Choose the correct alternative : (ii) Acceleration due to gravity (i...

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  16. Choose the correct alternative : (iii) Acceleration due to gravity i...

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  17. Choose the correct alternative : (iv) The formula -GMm(1//r2-1//r1) ...

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  18. If both the radius and the mean density of a planet are half the radi...

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  19. Calculate the angular velocity of the earth for which effective accele...

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  20. Find the percentage decrease in the weight of a body when taken 32 km...

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