Gravitation

Related Questions

• The mass and diameter of a planet have twice the value of the corresponding parameters of earth. Acceleration due to gravity on the surface of the planet is

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• A body weight W newton at the surface of the earth. Its weight at a height equal to half the radius of the earth will be

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• The radius of a planet is $\frac{1}{4}$ of earth’s radius and its acceleration due to gravity is double that of earth’s acceleration due to gravity. How many times will the escape velocity at the planet’s surface be as compared to its value on earth’s surface

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• If the value of ‘g’ acceleration due to gravity, at earth surface is $10\,m/{s^2}$, its value in $m/{s^2}$ at the centre of the earth, which is assumed to be a sphere of radius ‘R’ metre and uniform mass density is

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• What should be the angular speed of earth, so that body lying on equator may appear weightlessness $(g = 10\,m/{s^2},\,\,R = 6400\,km)$

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