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A circular table rotates about a vertical axis with a constant
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A circular table rotates about a vertical axis with a constant angular speed . A circular pan rests on the turn table (with the centre coinciding with centre of table) and rotates with the table. The bottom of the pan is covered with a uniform small thick layer of ice placed at centre of pan. The ice starts melting. The angular speed of the turn table

A
remains the same

B
decreases

C
increases

D
may increase or decrease depending on the thickness of ice layer

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Book

Book:

Mechanics Volume 2 (DC Pandey)

Text SolutionText solutionverified iconVerified

After melting, ice will distribute in whole pan. So, moment of inertia will increase. Hence, angular speed will decrease (as constant).
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A circular table rotates about a vertical axis with a constant angular speed . A circular pan rests on the turn table (with the centre coinciding with centre of table) and rotates with the table. The bottom of the pan is covered with a uniform small thick layer of ice placed at centre of pan. The ice starts melting. The angular speed of the turn table
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Question Text
A circular table rotates about a vertical axis with a constant angular speed . A circular pan rests on the turn table (with the centre coinciding with centre of table) and rotates with the table. The bottom of the pan is covered with a uniform small thick layer of ice placed at centre of pan. The ice starts melting. The angular speed of the turn table
TopicSystem of Particles and Rotational Motion
SubjectPhysics
ClassClass 11
Answer TypeText solution:1
Upvotes105