Questions by varun

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What is the value of linear velocity if `vecw=3hati-4hatj+hatx and vecr=5hati-6hatj+6hatk

asked Mar 19, 2022 in 11th Physics

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Establish the third equation of rotational motion

asked Mar 19, 2022 in 11th Physics

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Find the expression for radius of gyration of a solid sphere about one of its

asked Mar 19, 2022 in 11th Physics

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Prove that the centre of mass of two particles divides the line joining the particles in the inverse ratio of their

asked Mar 19, 2022 in 11th Physics

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A circular ring of diameter 40cm and mass 1kg is rotating about an axis normal to its plane and passing through the centre with a frequency of 10 rotations per second. Calculate the angular momentum about its axis of

asked Mar 19, 2022 in 11th Physics

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(a) A cat is able to land on its feet after a fall. Why?(b) If angular momentum moment of inertia is decreased, will its rotational K E. . be also conserved?

asked Mar 19, 2022 in 11th Physics

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A wheel 0.5m in radius is moving with a speed of 12m/s. find its angular

asked Mar 19, 2022 in 11th Physics

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State the condition for translational equilibrium of a

asked Mar 19, 2022 in 11th Physics

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How is angular momentum related to linear

asked Mar 19, 2022 in 11th Physics

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A planet revolves around on massive star in a highly elliptical orbit is its angular momentum constant over the entire orbit. Give

asked Mar 19, 2022 in 11th Physics

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Obtain the equation `w=w+o+ at`

asked Mar 19, 2022 in 11th Physics

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What is the torque of the force `vecF=2hati-5hatj+4hatk` acting at the point `vecr=(3hati+3hatj+3hatk)m` about the

asked Mar 19, 2022 in 11th Physics

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The moment of inertia of a solid sphere about a tangent is `7/5MR^2` . Find the moment of inertia about a

asked Mar 19, 2022 in 11th Physics

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Four particles of mass 1kg, 2kg, 3kg and 4kg are placed at the four vertices A, B, C and D of square of side 1m. Find the position of centre of mass of the

asked Mar 19, 2022 in 11th Physics

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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

asked Mar 19, 2022 in 11th Physics

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On which fundamental law of physics is keplers second law is

asked Mar 19, 2022 in 11th Physics

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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

asked Mar 19, 2022 in 11th Physics

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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

asked Mar 19, 2022 in 11th Physics

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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

asked Mar 19, 2022 in 11th Physics

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Show that for a two particle system

asked Mar 19, 2022 in 11th Physics

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