We stand in front of a wall. Between us and the wall, at the height of our ears, there is a whistleblowing, at a frequency of 600Hz. How fast must the whistle go towards the wall so that we can hear 3 beats per second?
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We stand in front of a wall. Between us and the wall, at the height of our ears, there is a whistleblowing, at a frequency of 600Hz. How fast must the whistle go towards the wall so that we can hear 3 beats per second?
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