Gravitation

Related Questions

• 3 particles each of mass m are kept at vertices of an equilateral triangle of side L. The gravitational field at centre due to these particles is

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• A body is projected vertically upwards from the surface of a planet of radius R with a velocity equal to half the escape velocity for that planet. The maximum height attained by the body is

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• If g is the acceleration due to gravity at the earth's surface and r is the radius of the earth, the escape velocity for the body to escape out of earth's gravitational field is

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• Earth binds the atmosphere because of

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• If the radius of a planet is R and its density is $\rho$, the escape velocity from its surface will be

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