Question
Easy
Solving time: 2 mins
A disc of mass and radius is rotating with angular velocity .
What is angular velocity, if a mass of is put on periphery of the disc?
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Text solutionVerified
If no external torque acts on a system of particle th momentum of the system remains constant, that is,
constant
.............(i)
Here,
Hence, we get after putting the given values in Eq. (i)
constant
.............(i)
Here,
Hence, we get after putting the given values in Eq. (i)
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Question Text | A disc of mass and radius is rotating with angular velocity . What is angular velocity, if a mass of is put on periphery of the disc? |
Updated On | Apr 1, 2023 |
Topic | System of Particles and Rotational Motion |
Subject | Physics |
Class | Class 11 |
Answer Type | Text solution:1 Video solution: 3 |
Upvotes | 365 |
Avg. Video Duration | 10 min |