A Uniform U-Tube Is Partially Filled with Water

question 11

Multiple Choice

A uniform U-tube is partially filled with water.Oil, of density 0.75 g/cm³, is poured into the right arm until the water level in the left arm rises 3 cm.The length of the oil column is then:

• A)2.25 cm
• B)8 cm
• C)6 cm
• D)4 cm
• E)need to know the cross-sectional area of the U-tube

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Definitions:

Marginal Revenue Product Schedule

This schedule outlines how the marginal revenue product (the additional revenue generated by employing one more unit of a resource) changes as the quantity of the resource employed increases, holding other factors constant.

Demand Schedule

A table that shows the quantity of a good or service that consumers are willing and able to purchase at various prices.

Output Per Hour

A measure of productivity calculated by dividing the total output of goods and services by the total hours worked.

Marginal Productivity

The additional output that is produced by adding one more unit of a particular input while holding all other inputs constant.