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How many hours would make a day if the e...

How many hours would make a day if the earth were rotating at such a high speed that the weight of a body on the equator were zero

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1. 4 hours
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NN GHOSH-GRAVITATION-EXERCISE
  1. Compare the minimum velocity with which a particle must be...

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  2. Calculate the mass and mean density of the earth from the following da...

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  3. How many hours would make a day if the earth were rotating at such a h...

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  4. The mass of Mars is one - tenth that of the earth and its diamet...

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  5. Calculate the escape speed of an atmospheric particle which is...

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  6. Two masses, 800 kg and 600 kg, are at a distance 0.25 m apart. Compute...

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  7. A man can jump vertically to a height of 1.5 m on the earth. Calculate...

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  8. A body weights 20 kg on the surface of the earth . What will be its i...

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  9. Find the self gravitationl potential of (a) a thin unifrom spherica...

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  10. A projectile is fired vertically from the earth's surface with an init...

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  11. A short , straight and frictinless tunnel is bored through the centr...

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  12. Two particle of mass m and M are initially at rest at inifinte ...

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  13. Three identical particles each of mass "m" are arranged at the corner...

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  14. An iron ball o fradius 1 m and density 8000 kg m^(-3) is placed in ...

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  15. A particles is fired vertically from the surface of the earth with a...

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  16. Calculate the pressure caused by gravitational copmression at the cen...

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  17. A planet of mass moves alng an ellipes around the sun so that i...

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  18. In a double star, two stars (one of mass m and the other of mass 2m) d...

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  19. Two satellites A and B of equal mass move in the equatorial plane of t...

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  20. Three masses ,100kg 200kg and 500 kg are placed at the vetices of an ...

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