The voice from an astronaut on the Moon (Fig. 22-22) was beamed to a listening crowd on

Question:

The voice from an astronaut on the Moon (Fig. 22-22) was beamed to a listening crowd on Earth. If you were standing 28 m from the loudspeaker on Earth, what was the total time lag between when you heard the sound and when the sound entered a microphone on the Moon? Explain whether the microphone was inside the space helmet, or outside, and why.