What frequency does the sound wave reach the person?
During a hurricane, a 1,200 Hz warning siren on the town hall sounds. The wind is blowingat 55 m/s in a direction from the siren toward a person 1 km away.
A. 1,000 Hz B. 1,030 Hz C. 1,200 Hz D. 1,400 Hz E. 1,440 Hz