The diameter of a rotating fly wheel is R. Its coefficient of linear expansion is alpha. If the temperature is increased by Delta T, the percentage change in its rotational KE would be

The diameter of a rotating fly wheel is R. Its coefficient of linear e

1.	The diameter of a rotating fly wheel is R. Its coefficient of linear expansion is alpha. If the temperature is increased by Delta T, the percentage change in its rotational KE would be
Answer» `ALPHA.Delta t.100` `2alpha.Delta t.xx100` `(alpha Delta t)/(2)xx100` `(2alpha Delta t)/(5)xx100` ANSWER :B