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  • Question 1
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    A body is rolling without slipping on a horizontal surface and its rotational kinetic energy is equal to the translational kinetic energy. The body is

  • Question 2
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    The total kinetic energy of rolling solid sphere having translational velocity v is

  • Question 3
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    A body is rolling down an inclined plane. If K.E. of rotation is 40% of K.E. in translatory state, then the body is a

  • Question 4
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    A flywheel is in the form of solid circular wheel of mass 72 kg and radius of 0.5 m and it takes 70 r.p.m., then the energy of revolution is

  • Question 5
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    A body having moment of inertia about its axis of rotation equal to 3kg-m2 is rotating with angular velocity equal to 3 rad/s. Kinetic energy of this rotating body is the same as that of body of mass 27 kg moving with a speed of

  • Question 6
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    A ring of radius r and mass m rotates about an axis passing through its centre and perpendicular to its plane with angular velocity ω. Its kinetic energy is

  • Question 7
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    A spherical solid ball of 1 kg mass and radius 3 cm is rotating about an axis passing through its centre with an angular velocity of 50 rad/s. The kinetic energy is

  • Question 8
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    A hollow sphere of diameter 0.2 m and mass 2 kg is rolling on an inclined plane with velocity v = 0.5 m/s. The kinetic energy of the sphere is

  • Question 9
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    A flywheel rotating about a fixed axis has a kinetic energy of 360 J when its angular speed is 30 rad/sec. The moment of inertia of the wheel about the axis of rotation is

  • Question 10
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    Two rigid bodies A and B rotate with rotational kinetic energies EA and EB respectively. The moments of inertia of A and B about the axis of rotation are IA and IB respectively. If IA = IB / 4 and EA = 100 EB the ratio of angular momentum (LA) of A to the angular momentum (LB) of B is

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