The Car in the Drawing Is Moving to the Left

question 38

Multiple Choice

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 wavelength of the sound in the direction of motion of the car?

• A)1.40 m
• B)1.56 m
• C)1.70 m
• D)1.93 m
• E)35 m

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