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When NASA Was Communicating with Astronauts on the Moon,the Time

Question 27

Multiple Choice

When NASA was communicating with astronauts on the moon,the time from sending on the Earth to receiving on the moon was 1.28 s.Find the distance from Earth to the moon.(The speed of radio waves is 3.00 × 108 m/s. )


A) 240 000 km
B) 384 000 km
C) 480 000 km
D) 768 000 km

Correct Answer:

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