An observer stands 3 m from speaker A and 4 m from speaker B.Both speakers,oscillating in phase,produce 170 Hz waves.The speed of sound in air is 340 m/s.What is the phase difference (in radians)between the waves from A and B at the observer's location,point P?
A)0
C)π
D)2π
E)4π

Question

An observer stands 3 m from speaker A and 4 m from speaker B.Both speakers,oscillating in phase,produce 170 Hz waves.The speed of sound in air is 340 m/s.What is the phase difference (in radians)between the waves from A and B at the observer's location,point P? 
A)0 
C)π 
D)2π 
E)4π

Quizplus · Accepted Answer

The Answer of An observer stands 3 m from speaker A and 4 m from speaker B.Both speakers,oscillating in phase,produce 170 Hz waves.The speed of sound in air is 340 m/s.What is the phase difference (in radians)between the waves from A and B at the observer's location,point P? 
A)0 
C)π 
D)2π 
E)4π

An Observer Stands 3 M from Speaker a and 4