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gravitational potential energy at a poin...

gravitational potential energy at a point, `U=-GMm/r`. what is meant by negative sign in the above equation.

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MAXIMUM PUBLICATION-GRAVITATION-EXERCISE
  1. gravitational potential energy at a point, U=-GMm/r. what is meant by ...

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  2. If a satellite of mass m is revolving around the earth with distance r...

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  3. The dimensions of universal gravitational constant are

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  4. When a radius of earth is reduced by 1% without changing the mass, the...

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  5. The kinetic energy of a satellite is 2MJ. What is the total energy of ...

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  6. If total energy of the satellite is negative, can it escape from the e...

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  7. Why a man can jump higher on the moon than on earth?

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  8. How much energy is required by a satellite to keep it orbitting? Negle...

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  9. What would happen to an artificial satellites, if its orbital velocity...

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  10. Why a tennis ball bounces higher on hills than in plain?

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  11. The orbiting velocity of an earth-satellite is 8 km/s. What will be t...

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  12. A comet orbits the sun in a highly elliptical orbit. Does the comet ha...

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  13. A comet orbits the sun in a highly elliptical orbit. Does the comet ha...

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  14. A comet orbits the sun in a highly elliptical orbit. Does the comet ha...

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  15. What are the consequences if the angular momentum is conserved?

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  16. Fill in the blanks R- Radius of earth, g-Acceleration due to gravity, ...

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  17. The Earth moving round the sun in a circular orbit is acted upon by a ...

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  18. The Earth moving round the sun in a circular orbit is acted upon by a ...

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  19. The Earth moving round the sun in a circular orbit is acted upon by a ...

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  20. Escape velocity of objects in a planet depends on the mass and size of...

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  21. Escape velocity of objects in a planet depends on the mass and size of...

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