What Would the Speed of an Observer Be If a Red

question 21

Multiple Choice

What would the speed of an observer be if a red (4.688 × 10¹⁴ Hz) traffic light appeared green (5.555 × 10¹⁴ Hz) to the observer?

• A)4.445 × 10⁸ m/s
• B)2.219 × 10⁸ m/s
• C)8.438 × 10⁷ m/s
• D)5.548 × 10⁷ m/s
• E)2.890 × 10⁶ m/s

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Definitions:

Marginal Cost Curve

A graphical representation showing how the cost of producing one additional unit changes as production volume increases.

Maximum Capacity

The highest level of output or activity that a facility, system, or machine can achieve under normal conditions.

Capital

Economic resources that are used in the production of goods and services, including buildings, machinery, equipment, and financial assets.

User Cost

The cost of using a durable good over time, considering depreciation and the opportunity cost of not investing funds elsewhere.