Angharad stands midway between two out-of-tune bagpipers. One is playing a note with frequency 1 = 258 Hz, while the other is playing a note with frequency 2 = 262 Hz. The speed of sound in the air is 340 m/s. a) What is the beat frequency Angharad hears? What is the carrier frequency she hears? b) If Angharad does not want to hear beats, how fast and in which direction should she run so that the frequencies she hears from the two bagpipers are the same? What is this frequency she hears