Q1. A person stands between two speakers connected to the same source. Each speaker produces a tone with a frequency of 200 Hz on a day when the speed of sound is 330 m/s. The person is 1.65 m from one speaker and 4.95 m from the other. What sort of interference does the person sense?
Q2. Julie drives 80 to Grandmother's house. On the way to Grandmother's, Julie drives half distance at 45 and half the distance at 45. On her return trip, she drives half the time at 35 and half the time at 55.