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  4. A uniform solid brass sphere is rotating with angular speed ω0 about a diameter. If its temperature is now increased by 100° C. What will be its new angular speed. (Given αB=2.0 × 10-5 per ° C )

Q. A uniform solid brass sphere is rotating with angular speed about a diameter. If its temperature is now increased by . What will be its new angular speed. (Given per )

Thermal Properties of Matter Report Error

Solution:

We use sphere volume
...(1)
when temperature is increased by



...(2)
Dividing (1)by(2),we get



Now,


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