A uniformcylindricalrod of massm and length L is rotatingis perpendicularto its axis ofsymmetryand passes through one of its edgfaces . Ifthe roomtemperatureincreases by't' and the coeffcient of linearexpansion is alpha , th changein its angular velocity is

A uniformcylindricalrod of massm and length L is rotatingis perpendicu

1.	A uniformcylindricalrod of massm and length L is rotatingis perpendicularto its axis ofsymmetryand passes through one of its edgfaces . Ifthe roomtemperatureincreases by't' and the coeffcient of linearexpansion is alpha , th changein its angular velocity is
Answer» `2alpha OMEGA t` `ALPHA omega t ` `3/2 alpha omega t` `(alphaomega t)/2` Solution :`I prop1/omega rArr (Deltaomega)/omega= - (DELTAI)/I = 2alpha DELTAT `