Gravitation

Related Questions

• Escape velocity on a planet is ${v_e}$. If radius of the planet remains same and mass becomes 4 times, the escape velocity becomes

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• The angular velocity of rotation of star (of mass M and radius R) at which the matter start to escape from its equator will be

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• A particle falls towards earth from infinity. It’s velocity on reaching the earth would be

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• Two sphere of mass m and M are situated in air and the gravitational force between them is F. The space around the masses is now filled with a liquid of specific gravity 3. The gravitational force will now be

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• Acceleration due to gravity 'g' for a body of mass 'm' on earth's surface is proportional to (Radius of earth=R, mass of earth=M)

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