Question

The diameter of a rotating fly wheel is R. Its
coefficient of linear expansion is α. If the
temperature is increased by ΔT, the percen-
age change in its rotational Ke would be
2) 2.a. At. X 100​

Answer 1

Answer:

$7 \times \frac{?}{?} \times \frac{?}{?} y {45}^{?}$