The Figure Shows a Right-Angled Construction Frame ABC

question 6

Multiple Choice

The figure shows a right-angled construction frame ABC. When measured at rest, it has dimensions as follows: AB = 26.0 m, AC = 10.0 m, and BC = 24.0 m. This frame is now given a new velocity of 0.760c, relative to Earth, in a direction parallel to AC. How long is part AC of this frame with the new velocity as measured by Earth-based engineers?

• A)6.50 m
• B)25.4 m
• C)24.3 m
• D)23.7 m
• E)24.9 m

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