You Are Standing Directly Between Two Speakers That Are Separated

question 59

Multiple Choice

You are standing directly between two speakers that are separated by 40 m.The two speakers are each playing a pure tone of 256 Hz.You begin running directly towards one of the speakers at 3.0 m/s.What beat frequency do you detect?

• A)4.5 Hz
• B)6.0 Hz
• C)3.0 Hz
• D)8.1 Hz
• E)7.5 Hz

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