Question: A radio voice signal from the Apollo crew on the Moon (Fig.22-20) was beamed to a listening crowd from a radio speaker. If you were

A radio voice signal from the Apollo crew on the Moon (Fig.22-20) was beamed to a listening crowd from a radio speaker. If you were standing 25 m from the loud speaker, what was the total time lag between when you heard the sound and when the sound left the moon?

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