A Train Traveling Very Fast (V = 0

question 12

Multiple Choice

A train traveling very fast (v = 0.6c) has an engineer (E) at the front, a guard (G) at the rear and a passenger (S') exactly half way between them.Both E and G are equipped with yellow signaling lamps.The train passes a station, closely observed by the station master (S) .Both E and G use their lamps to send signals.According to both S and S' these signals arrive simultaneously at the instant S' is passing S.According to S, the signal from E will look ______ and that from G will look _____:

• A)red, blue
• B)yellow, yellow
• C)blue, red
• D)blue, blue
• E)red, red

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Definitions:

Sales Price

The amount of money for which a product or service is sold in the market.

Revenue In Full

The total amount of income generated by the sale of goods or services before any deductions are made.

Percentage-Of-Completion

An accounting method that recognizes revenues and expenses in proportion to the completion of a contracted work or project.

Economic Substance

The underlying economic reality of a transaction which determines its legal and tax implications, regardless of its form.