A Meterstick Moving in a Direction Parallel to Its Length

question 7

Multiple Choice

A meterstick moving in a direction parallel to its length appears to be only 60.0 cm long to an observer.What is the meterstick's speed relative to the observer? (c = 3.00 × 10⁸ m/s)

• A) 1.19 × 10⁸ m/s
• B) 2.40 × 10⁸ m/s
• C) 2.93 × 10⁸ m/s
• D) 2.75 × 10⁸ m/s

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