Numerical Problem 11, Physics 11 (new course) admin January 23, 2021 Suppose a train that has a 150 Hz horn is moving 35.0 m/s in still air on a day when the speed of sound is 340 m/s. ... 1 Comment Problem 11: Suppose a train that has a 150 Hz horn is moving at 35.0 m/s in still air on a day when the speed…