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Rolling Motion Free Doubts and Solutions

CBSE - XI Science - Physics - System of Particles and Rotational Motion

A child rolls down a bowling ball of 6 kg down the alley without slipping at a linear speed of 5m/s. Considering the moment of inertia as 1.5 x 10-2 kg m2 and radius as 0.23 m. Find the total energy.

Asked by Topperlearning User 14th August 2014, 10:32 AM
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CBSE - XI Science - Physics - System of Particles and Rotational Motion

Radius of gyration is a constant quantity.

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XI Science - Physics - System of Particles and Rotational Motion

Find the coefficient of friction of a solid cylinder which rolls without slipping down an inclined plane with .

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XI Science - Physics - System of Particles and Rotational Motion

What is the relation between K.E. of a body and the moment of inertia when L is constant?

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CBSE - XI Science - Physics - System of Particles and Rotational Motion

Calculate the kinetic energy of a disc of mass 4kg and radius 40 cm rolling at 10 m/s.

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CBSE - XI Science - Physics - System of Particles and Rotational Motion

What is the analogue for K.E. for rotational motion?

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XI Science - Physics - System of Particles and Rotational Motion

There are two inclines on which two identical spheres A and B are made to roll and slide without rolling respectively. Which one will reach the bottom first?(Considering that the low of conservation of energy can be applied to this situation)

Asked by Topperlearning User 4th June 2014, 1:23 PM
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CBSE - XI Science - Physics - System of Particles and Rotational Motion

The length of the second hand of a clock is 7 cm. Find the speed of the tip of the hand.

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CBSE - XI Science - Physics - System of Particles and Rotational Motion

The speed of a flywheel changes from 120 rpm to 300 rpm. Calculate moment of inertia of flywheel. If an energy of 500 J is spent in increasing its speed.

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CBSE - XI Science - Physics - System of Particles and Rotational Motion

What percentage of total mechanical energy is translational when a spherical ball is rolled without sliding?

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