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How much work is done in circulating a s...

How much work is done in circulating a small object of mass m around a sphere of mass m in a circle of radius R.

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PHYSICS GALAXY - ASHISH ARORA-GRAVITATION-Particle Exercise
  1. A body suspended on a spring balance in a ship weighs W(0) when the sh...

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  2. The kinetic energy needed to project a body of mass m from the eath su...

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  3. How much work is done in circulating a small object of mass m around a...

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  4. Distance between the centres of two stars is 10alpha. The masses of th...

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  5. Find the gravitational potential due to a hemispherical cup of mass M ...

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  6. Two particle each of mass M are fixed at positions (0, a) and (0, -a)....

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  7. The gravitational field in a region is given by E = (2 hati + 3 hatj) ...

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  8. Find the gravitational potential energy of a system consisting of a un...

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  9. Two satellites A and B of the same mass are orbiting the earth at alti...

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  10. As satellite of mass 1000 kg is supposed to orbit the earth at a heigh...

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  11. A satellite is to revolve around the earth in a circle of radius 8000 ...

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  12. Assume the radius of the earth to be 6.4xx10^(6)m a. Calculate the t...

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  13. A satellite of mass 2xx10^(3)kg has to be shifted from an orbit of rad...

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  14. A double star is a system of two starts moving around the centre of in...

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  15. If a planet was suddenly stopped in its orbit supposed to be circular,...

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  16. A particle takes a time t(1) to move down a straight tunnel from the s...

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  17. A planet of mass M moves around the Sun along an ellipse so that its m...

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  18. Suppose we have made a model of the Solar system scaled down in the ra...

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  19. Two Earth's satellites move in a common plane along circular orbits. T...

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  20. A satellite is put in an orbit just above the earth's atmosphere with ...

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