The Graph Above Shows the Relativity of Space

question 48

Multiple Choice

The graph above shows the relativity of space. Suppose that Velma observes Mort's automobile as she passes it at 60% of lightspeed. She passes lengthwise over the automobile. Mort's automobile is 4 meters long as measured by Mort. How long is it as measured by Velma?

• A) 3.2 meters
• B) 3.2c meters
• C) 0.8c meters
• D) 0.8 meter
• E) 4 meters

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