What Is the Period of a Wave Described by the Following

question 39

Multiple Choice

What is the period of a wave described by the following function? y(x,t) = (2.00 m) cos[(6.00 m^-1) x + (10.00 s^-1) t] + (2.00 m) cos[(3.00 m^-1) x + (5.00 s^-1) t]

• A)0.628 s
• B)5.00 s
• C)1.26 s
• D)10.0 s
• E)This is not a periodic function, so it does not have a period.

---

Definitions:

Expected Value

The long-term average value of a random variable over many repetitions of an experiment.

Expected Value

The long-term average or mean of random variables, representing the central tendency.

Perfect Information

A condition in decision theory and economics where all participants have full and identical knowledge about the actions others can take.

Power Company

A corporation that generates, transmits, and distributes electricity to consumers and businesses.