Multiple Choice
A laser beam takes 24 ms to travel from a rocket to the reflective surface of a planet and back to the rocket.How far is the rocket from this planet's surface? (c = 3.0 × 108 m/s)
A) 2400 km
B) 1200 km
C) 1800 km
D) 3600 km
E) 4800 km
Correct Answer:
Verified
Correct Answer:
Verified
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