The car in the drawing is moving to the left at 35 m/s. The car's horn continuously emits a 2.20 × 102 Hz sound. The figure also shows the first two regions of compression of the emitted sound waves. The speed of sound is 343 m/s.
-What is the frequency heard by a stationary observer standing in front of the car?
A)9.7 Hz
B)176 Hz
C)200 Hz
D)219 Hz
E)245 Hz

Question

The car in the drawing is moving to the left at 35 m/s. The car's horn continuously emits a 2.20 × 102 Hz sound. The figure also shows the first two regions of compression of the emitted sound waves. The speed of sound is 343 m/s. 
-What is the frequency heard by a stationary observer standing in front of the car?
A)9.7 Hz 
B)176 Hz 
C)200 Hz 
D)219 Hz 
E)245 Hz

Quizplus · Accepted Answer

The Answer of The car in the drawing is moving to the left at 35 m/s. The car's horn continuously emits a 2.20 × 102 Hz sound. The figure also shows the first two regions of compression of the emitted sound waves. The speed of sound is 343 m/s. 
-What is the frequency heard by a stationary observer standing in front of the car?
A)9.7 Hz 
B)176 Hz 
C)200 Hz 
D)219 Hz 
E)245 Hz

The Car in the Drawing Is Moving to the Left