A Wave Is Described by Y(x,t)= 0

question 58

Multiple Choice

A wave is described by y(x,t) = 0.1 sin(3x - 10t) , where x is in meters, y is in centimeters and t is in seconds.How long does it take the wave to travel 2.0 m?

• A)0.6 s
• B)1.0 s
• C)3.0 s
• D)6.7 s
• E)10 s

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Definitions:

Inferior Good

A type of good for which demand declines as the income of individuals or the economy increases, opposite to normal goods.

Substitution Effect

The change in consumption patterns due to a change in the relative prices of goods, leading consumers to substitute a cheaper good for a more expensive one.

Income Effect

The alteration in a person's or an economy's earnings and the effect this alteration has on the demand for a product or service.

Price Change

An alteration in the cost of goods or services, which can go up or down, depending on various factors.