A Sinusoidal Wave Is Generated by Moving the End of a String

question 71

Multiple Choice

A sinusoidal wave is generated by moving the end of a string up and down periodically.The generator must supply the greatest power when the end of the string:

• A)has its greatest acceleration
• B)has its greatest displacement
• C)has half its greatest displacement
• D)has one fourth its greatest displacement
• E)has its least displacement

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Definitions:

Elasticity Of Demand

A measure of how much the quantity demanded of a good responds to a change in the price of that good, with higher elasticity indicating greater responsiveness.

Gallons

A unit of volume for liquid measure equal to four quarts, used in the US customary and British imperial systems.

Quarts

A unit of liquid volume measurement in the United States, equal to a quarter of a gallon or approximately 0.946 liters.

Price Elasticity

Measures how the quantity demanded of a good responds to a change in price, indicating the sensitivity of demand to price changes.