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A Laser Beam Takes 24 Ms to Be Reflected from the Surface

Question 38

Multiple Choice

A laser beam takes 24 ms to be reflected from the surface of a planet. How far from the laser source is this planet's surface?

A) 24 × 10⁵ m
B) 12 × 10⁵ m
C) 18 × 10⁵ m
D) 36 × 10⁵ m
E) 48 × 10⁵ m

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