Suppose a 170-Ft Ladder Is Leaning Against a Wall

question 71

Multiple Choice

Suppose a 170-ft ladder is leaning against a wall. If the bottom is pulled away from the wall at a rate of 1 ft/sec, at what rate is the top of the ladder sliding down the wall when the bottom is 26 ft from the wall? ​

• A)The top of the ladder is sliding down the wall at the rate of Ft/sec.
• B)The top of the ladder is sliding down the wall at the rate of Ft/sec.
• C)The top of the ladder is sliding down the wall at the rate of Ft/sec.
• D)The top of the ladder is sliding down the wall at the rate of Ft/sec.
• E)The top of the ladder is sliding down the wall at the rate of Ft/sec.

---

Definitions:

Factor Endowments

The quantity and quality of labor, land, and natural resources of a country.

Acquired Comparative Advantage

A concept where a country becomes more proficient and competitive in producing goods or services not because of natural factors but through practice and technological advancement.

Subsidy

A form of financial aid or support extended to an economic sector (or institution, business, or individual) generally with the aim of promoting economic and social policies.

Labor-Intensive Goods

Products or services that require a relatively high amount of labor compared to capital in their production or delivery processes.