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Introductory Physics Homework Help
How to link frequency and speed? Doppler effect
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[QUOTE="greg_rack, post: 6293795, member: 672853"] [B]Homework Statement:[/B] At what speed should a plane move to make the roar of its turbines double in frequency for the observers who are in front of it in its path? Does the result depend on the frequency considered? RESULT: [vs = vw/2] [B]Relevant Equations:[/B] DOPPLER effect for a moving source heading to a steady receiver: ƒr=ƒs*1/[1-(νs/νw)] CAPTION: "r = receiver", "s = source", "w = wave" I had many attempts on trying to solve this one, but I got always stuck in the problem-solving part: how do I manage to find the source-speed from the Doppler formula, in an analytical way, and then reach to the result-formula? Anyway, I'm pretty sure the only formula needed to solve this problem is the one i attached, which links the received-frequency to the source one, and the source/wave speed. [/QUOTE]
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Introductory Physics Homework Help
How to link frequency and speed? Doppler effect
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