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Dependence of intensity of gravitational field of earth with distance from centre of earth is correctly represented by:
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Important Questions on Gravitation
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A body of mass experiences a gravitational force of , when placed at a particular point. The magnitude of the gravitational field intensity at that point is
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The escape velocity from the Earth's surface is . The escape velocity from the surface of another planet having a radius four times that of Earth and the same mass density is:
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A particle of mass is projected with a velocity from the surface of the earth ( escape velocity). The maximum height above the surface reached by the particle is___
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What is the depth at which the value of acceleration due to gravity becomes times the value at the surface of the earth? (radius of the earth )
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A body weighs on the surface of the earth. What is the gravitational force on it, at a height equal to half the radius of the earth?
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A body weighs on the surface of the earth. How much will it weigh half way down to the centre of the earth?
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The kinetic energies of a planet in an elliptical orbit about the Sun, at positions, and are , respectively. is the major axis and is perpendicular to at the position of the Sun as shows in the figure. Then
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If the mass of the Sun were ten times smaller and the universal gravitational constant were ten times larger in magnitude, which of the following is not correct?
