An airplane moving at 0.5 the speed of sound turns on a loud siren, with frequency 2000 Hz. The airplane is approaching a person at rest in a stationary hot air balloon. What frequency of sound will the person measure? O2000 Hz 1000 Hz 1500 Hz. Ⓒ500 Hz. 04000 Hz.

Q: help me how it become 0.1639

A: It becomes 0.1331  So theta = 7.58°  0.1639 was wrong given

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Q: Only 100% sure experts solve it correct complete solutions okk

A: If you have any questions let me know in comment box.

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