SPH3U -Assignment Sound

• Please include the correct units for all of your answers
• Questions should have all work shown where applicable
• Please use paper for the calculating question

4. Two robot singers are warming up their speakers before a performance. Robot 1 produces a frequency of exactly 758 Hz. Robot 2 produces a frequency of 755 Hz. a. What is the beat frequency heard by a nearby theater technician? b. What does the beat frequency actually represent in words? Does it mean that a low frequency sound is produced? C. Robot 2 adjusts their sound, creating a beat frequency of 7 Hz. What are the possible frequencies that robot 2 could be producing? d. Is it possible to know for sure which single answer in part c is correct? Why or why not