A thin circular metal disc of radius 500.0 mm is set rotating about a central axis normal to its plane. Upon raising its temperature gradually, the radius increases to 507.5mm. The percentage change in the rotational kinetic energy will be

A thin circular metal disc of radius 500.0 mm is set rotating about a

1.	A thin circular metal disc of radius 500.0 mm is set rotating about a central axis normal to its plane. Upon raising its temperature gradually, the radius increases to 507.5mm. The percentage change in the rotational kinetic energy will be
Answer» `1.5 %` `-1.5%` `3%` `-3%` ANSWER :D