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(a) Neil A. Armstrong was the first person to walk on the moon. The distance between...

(a) Neil A. Armstrong was the first person to walk on the moon. The distance between the earth and the moon is 3.85 × 108 m. Find the time it took for his voice to reach the earth via radio waves. (b) Someday a person will walk on Mars, which is 5.60 × 1010 m from the earth at the point of closest approach. Determine the minimum time that will be required for a message from Mars to reach the earth via radio waves.

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Answert Greven that a-3,85x108m @? Time taken by radio waves to reach the earth from moon will be il time distance speed spee

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