In the Twenty-Second Century, a Hyperfast New York to Los

question 67

Multiple Choice

In the twenty-second century, a hyperfast New York to Los Angeles train roars through St. Louis without stopping at a speed of 0.80c. The front of the train arrives at the St. Louis station at precisely 12:00 noon according to all the clocks on the train which are all synchronized in the train's frame) , and the passengers are called to lunch in the dining car. An observer on the station platform manages to catch a glimpse of a clock at the front of the train that reads exactly 12:00 noon. What is the time at this instant at the rear of the train, according to the observer on the platform, if the train is 500 m long in its rest frame?

• A) 1.35 μs past noon
• B) 1.35 μs before noon
• C) noon exactly
• D) 1.35 ms past noon
• E) 1.35 ms before noon

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Definitions:

Animation

The process of creating moving images by displaying a sequence of still pictures, or frames, to simulate motion.

Steel Production

The process of creating steel from iron ore and/or scrap, utilizing various methods to produce a material widely used in construction and manufacturing.

Silent Filmmaking

The process of producing films without synchronized recorded sound, particularly prevalent before the advent of "talkies" in the late 1920s.

Five-Dimensional

Refers to a concept or object that involves five distinct aspects or dimensions, often used in theoretical physics or complex systems analysis.