Question

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 507.5 mm. The percentage
change in the rotational kinetic energy will be
(A) 1.5%
BT -1.5%
(C) 3%
(D) -3%​

Answer 1

Answer:

C

Explanation:

Hey buddy I think option C