Answer: Sample C is 62%.
Sample C would be best because it has the highest coefficient of absorption. <span>Sound absorption coefficient is defined as THE ratio of absorbed energy to incident energy and the higher the percentages, the better the absorption is. It indicates that most of the sound being absorbed and less is being reflected back. </span>
Serratus anterior would be the primary muscle. Correct me if I’m wrong.
The attraction is maximum between b and c. while the force between a and d is minimum