Water Is Pumped into One End of a Long Pipe

question 40

Multiple Choice

Water is pumped into one end of a long pipe at the rate of 40 L/min.It emerges at the other end at 24 L/min.A possible reason for this decrease in flow is:

• A)the water is being pumped uphill
• B)the water is being pumped downhill
• C)the diameter of the pipe is not the same at the two ends
• D)friction in the pipe
• E)a leak in the pipe

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Definitions:

Price

The sum of money anticipated, needed, or handed over as a payment for an item.

Substitute Resource

A resource that can be used in place of another, especially in production, to accommodate changes in market demand or supply conditions.

Productivity

A measure of the efficiency of production, often quantified as the ratio of output to input in the creation of goods and services.

Highly Substitutable

Referring to goods or services that can easily replace each other in consumption or use.