Multiple Choice
A speedboat moving at 20.6 m/s sounds a signal on its horn,producing a tone of 320 Hz.There is no wind,and the speed of sound in air is 329 m/s.The apparent frequency of the sound heard by an observer in another boat moving in the opposite direction and approaching the first at a speed of 15.4 m/s is
A) 282 Hz
B) 287 Hz
C) 316 Hz
D) 357 Hz
E) 369 Hz
Correct Answer:
Verified
Correct Answer:
Verified
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