A Train Traveling Very Fast (V = 0

question 29

Multiple Choice

A train traveling very fast (v = 0.6c) has an engineer (E) at the front, a guard (G) at the rear and an observer (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':

• A)E and G sent their signals simultaneously from different distances
• B)G sent his signal before E and from further away
• C)G sent his signal before E but was the same distance away
• D)E sent his signal before G and from further away
• E)none of the above

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Future Tax

Taxes that are anticipated to be paid or recovered in future periods, often considered in financial projections and planning.

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