Two loudspeakers on a concert stage are vibrating in phase. A listener is 57 m from the left speaker and 30 m from the right one. The listener can respond to all frequencies from 20 to 20 000 Hz, and the speed of sound is 343 m/s. What are the two lowest frequencies that can be heard loudly due to constructive interference?
Hi there! Click one of our representatives below and we will get back to you as soon as possible.