A wheel is rotating with a speed of 500 rpm on a shaft. Second identical wheel, initially at rest is suddenly coupled on the same shaft. What is the speed of the resultant combination? Assume that the moment of inertia of the shaft is negligible.

A wheel is rotating with a speed of 500 rpm on a shaft. Second identic

1.	A wheel is rotating with a speed of 500 rpm on a shaft. Second identical wheel, initially at rest is suddenly coupled on the same shaft. What is the speed of the resultant combination? Assume that the moment of inertia of the shaft is negligible.
Answer» SOLUTION :`I_(1)omega_(1)=I_(2)omega_(2)""I_(1)n_(1)=I_(2)n_(2)` `I_(1)(500)=2I_(1)n_(2)"":.n_(2)=250` rpm.