A Traveling Wave Passes a Point of Observation

question 57

Multiple Choice

A traveling wave passes a point of observation.At this point,the time between successive crests is 0.2 s.Which of the following statements can be justified?

• A)The wavelength is 5 m.
• B)The frequency is 5 Hz.
• C)The velocity of propagation is 5 m/s.
• D)The wavelength is 0.2 m.
• E)There is not enough information to justify any of these statements.

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Definitions:

Total Spending

The aggregate amount of money spent by consumers, businesses, and the government in an economy over a specific period.

Inelastic

Characterizes a condition where a change in price leads to a relatively small change in the quantity demanded or supplied.

Price Elasticity of Demand

The responsiveness of the quantity demanded of a good to a change in its price, with all other factors being held constant.

Elastic

Describes a situation where the demand for a product significantly changes in response to changes in its price.