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(a) Why is moment of inertia called rotational inertia? (b) Calculate M.I of a uniform circular disc of mass 500gm and radius 10cm about (i) Diameter (ii) axis tangent to the disc and parallel to diameter (c) Axis passing trough centre and perpendicular to its

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On which fundamental law of physics is keplers second law is

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Which is greater the attraction of the earth for 1 kg of aluminum or aluminum or attraction of 1kg of aluminum for the

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Distance between two bodies is increased to three times its original value. What is the effect on the gravitational force between

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The distance of the planet Jupiter from the sun is 5.2 times that of the earth.Find the period of the Jupiter’s revolution around the

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Show that for a two particle system

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State two essential requisites of geostationary

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Show that an artificial satellite circling round the earth in an orbit of radius obeys keeper’s third

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A 400kg satellite in a circular orbit of radius 2 Re about the earth calculate the kinetic energy potential energy and total energy of the satellite? `R_E = 6.4xx10^6m M = 6xx10^(24)kg`

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Two uniform solid spheres of radii R and 2R are at rest with their surfaces just touching. Find the force of gravitational attraction between them if density of spheres be

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Find expressions for (1) potential energy (2) kinetic energy (3) total energy for an artificial

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The gravitational force between two blocks is F what would happen if a mass of both the blocks as well as distance between them is

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A body is weightless at the centre of earth.

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Where will a body weigh more at Delhi or at Shimla?

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Find an expression for the weight of a body at the centre of the

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Find an expression for gravitational intensity due to earth at a point on its free

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The earths mass is 80 times that of moon and their diameters are in the ratio 4:1 respectively. What is the value of g on

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Determine the value of g at the bottom of an ocean 7km deep Given that radius of earth is 6370 km and g =

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Show that value of g at a height h is same as the value of acceleration due of gravity at a depth `d =

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If T be the period of satellite revolving just above the surface of a planet whose average density is p, show that `PT^2` is a universal

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