An Equation That Gives the Particle Displacement for a Medium $\pi$

question 41

Multiple Choice

An equation that gives the particle displacement for a medium in which there is a simple harmonic traveling wave is
Y(x, t) = (2/ $\pi$ ) sin $\pi$ (3x + 2t) ,
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:

Consumer Products

Goods that are purchased for personal use or consumption by the general public.

Demographics

Statistical data relating to the population and particular groups within it.

Purchase Decision

The evaluation process leading to the choice of a product or service among several alternatives, culminating in the action of buying.

Frequency of Purchase

The rate at which customers buy a particular product or service over a specific period of time.