A Certain Source of Sound Waves Radiates Uniformly in All

question 28

Short Answer

A certain source of sound waves radiates uniformly in all directions. At a distance of 20 m from the source the intensity level is 51 db. What is the total acoustic power output of the source, in watts? (Note: The reference intensity I0 is 1.0 × 10-12 W/m².)

---

Definitions:

Hyperextend

To hyperextend means to extend a limb or joint beyond its normal range of motion, often resulting in injury.

Medial Excursion

The movement of the mandible toward the midline of the face, which is a component of the chewing cycle.

Opposition

The movement that involves the thumb coming into contact with the tips of the other fingers, allowing for the manipulation of objects.

Retraction

The process of drawing back or being drawn back, often referring to the movement of body parts or the withdrawal of a statement.