Recent content by atriancarlos

  1. A

    Waves and sounds, finding the speed of a jet using the speed of sound

    Homework Statement A jet is flying horizontally, as the drawing shows. When the plane is directly overhead at B, a person on the ground hears the sound coming from A in the drawing. The average temperature of the air is 20 oC. If the speed of the plane at A is 180 m/s, what is its speed at...