An Equation That Gives the Particle Displacement for a Medium

question 123

Multiple Choice

An equation that gives the particle displacement for a medium in which there is a simple harmonic traveling wave is , where x and y are in centimeters and t is in seconds. At t = 2 s the speed of a particle at the location x = 4 cm is

• A) 0.
• B) 2 cm/s.
• C) 4 cm/s.
• D) 6 cm/s.
• E) 8 cm/s.

---

Definitions:

Cochlea

A spiral-shaped, fluid-filled inner ear structure that plays a key role in the process of hearing by converting sound waves into nerve impulses.

Retina

The light-sensitive layer of tissue at the back of the inner eye that converts light images into neural signals sent to the brain.

Optic Disk

Area of the retina where the optic nerve exits the retina; lacks photoreceptors and so causes a blind spot.

Optic Pit

A small depression in the optic disc where nerve fibers exit the eye, contributing to the blind spot.