Question
Medium
Solving time: 3 mins
A hoop of radius and mass rotating with an angular velocity is placed on a rough horizontal surface. The initial velocity of the centre of the hoop is zero. What will be the velocity of the centre of the hoop when it ceases to slip?
(a)
(b)
(c)
(d)
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Text solutionVerified
Exp. (c)
From the principle of conservation of angular momentum, we have
where, is moment of inertia .
By conservation law of angular momentum,
From the principle of conservation of angular momentum, we have
where, is moment of inertia .
By conservation law of angular momentum,
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Question Text | A hoop of radius and mass rotating with an angular velocity is placed on a rough horizontal surface. The initial velocity of the centre of the hoop is zero. What will be the velocity of the centre of the hoop when it ceases to slip? (a) (b) (c) (d) |
Updated On | Apr 22, 2023 |
Topic | System of Particles and Rotational Motion |
Subject | Physics |
Class | Class 11 |
Answer Type | Text solution:1 Video solution: 4 |
Upvotes | 349 |
Avg. Video Duration | 6 min |