8.4: Doppler Effect - Physics LibreTexts
https://phys.libretexts.org/Courses/University_of_California_Davis/UCD%3A_Physics_7C_-_General_Physics/8%3A_Waves/8.4%3A_Doppler_Effect
WEBJan 11, 2023 · Next time an ambulance is zooming by you, try to pay attending to the pitch of the siren as it approaches you and then recedes away from you. This phenomena is known as the Doppler effect. Combing the two equations, the Doppler effect for a moving source can be written as: \[f_o=\dfrac{v}{v\pm v_s}f_s\label{Doppler-source}\]
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