At High Noon,the Sun Delivers 900 W to Each Square

question 3

Multiple Choice

At high noon,the Sun delivers 900 W to each square meter of a blacktop road.What is the equilibrium temperature of the asphalt,assuming its emissivity e = 1? (σ = 5.67 × 10−⁸ W/m²×K⁴) .

• A) 75°C
• B) 82°C
• C) 91°C
• D) 99°C

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Definitions:

Nominal Wage

The amount of money received by a worker per unit of time (hour, day, etc.); money wage.

Real Wage

The amount of goods and services a worker can purchase with his or her nominal wage; the purchasing power of the nominal wage.

Agency Shops

A workplace agreement where employees, whether or not they are union members, must pay union fees for the bargaining services the union provides.

Open Shops

Workplaces where union membership is not required as a condition of employment.