Recent questions in 11th Physics

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(a) Define potential energy. Give examples.(b) Draw a graph showing variation of potential energy, kinetic energy and thetotal energy of a body freely falling on earth from a height

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

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Two particles in an isolated system under go head on collision. What is the acceleration of the centre of mass of the

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Which component of a force does not contribute towards

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What is the position of centre of mass of a rectangular

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Show that cross product of two parallel vectors is

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Prove the relation

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Show that for an isolated system the centre of mass moves with uniform velocity along a straight line

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The angle θ covered by a body in rotational motion is give by the equation `θ = 6t + 5t^2 + 2t^3`. Determine the value of instantaneous angular velocity and angular acceleration at time `t =

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

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(a) Which physical quantities are represented by the (i) Rate of change of angular momentum (ii) Product of I and `vecw`(b) Show that angular momentum of a satellite of mass MS revolving around the earth having mass Me in an orbit of radius r is equal to `[G Me

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

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What is the position of the centre of mass of a uniform triangular

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What is the moment of inertia of a sphere of mass 20kg and radius `1/4` m about its

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What are the factors on which moment of inertia of a body

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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 by varun (6.7k points)

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Establish the third equation of rotational motion

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

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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

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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 by varun (6.7k points)

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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 by varun (6.7k points)

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

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State the condition for translational equilibrium of a

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

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