how long does it take a radio signal sent from earth to reach the moon?(The distance from the earth to the moon is 3.84×10^8) plz help me step by step
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2.56 seconds
Radio waves propagate in vacuum at the speed of light c, exactly 299,792,458 m/s. Propagation time to the Moon and back ranges from 2.4 to 2.7 seconds, with an average of 2.56 seconds (distance from Earth to the Moon is 384,400 km).
Explanation:
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