Asked by dfghndfghncbfv

You are watching a marching band practice outdoors. Near you are two trumpet players, one marching directly towards you and one away from you at the same speed. Each trumpet player is playing an A (440 Hz) and you hear a beat between the two sounds at a frequency of 2 Hz. How fast are the trumpet players marching in m/s?
Answered by DKS
0.772
Answered by Anonymous
Can anyone please clarify?
Answered by Ellena
true
Answered by Madhu
But, how did u get the answer?
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