A Horizontal Pipe Narrows from a Diameter of 10

question 56

Multiple Choice

A horizontal pipe narrows from a diameter of 10.0 to 5.0 cm. For a nonviscous fluid flowing from the larger diameter to the smaller,

• A) the velocity and pressure both increase.
• B) the velocity increases and the pressure decreases.
• C) the velocity decreases and the pressure increases.
• D) the velocity and pressure both decrease.
• E) either the velocity or the pressure changes but not both.

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Definitions:

Marginal Revenue

The additional revenue that a company gains by selling one more unit of a product or service.

Demand Curve

A graph showing the relationship between the price of a good and the quantity demanded, typically downward sloping.

Intertemporal Price Discrimination

Practice of separating consumers with different demand functions into different groups by charging different prices at different points in time.

Coupons

Vouchers or codes that offer a discount on the purchase price of goods or services, usually issued by manufacturers or retailers to stimulate demand.