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The lecture The Doppler Effect by Jared Rovny is from the course Sound.
A source of sound is moving toward you. How would the pitch of its sound compare to when the source is stationary ?
A source of sound is located at position x = 0 and an observer is located at position x = 100 m. How can the observer hear a higher pitch sound from the source ?
Consider the equation for Doppler shifted frequency: fₒ = f_s (v ± vₒ )/(v ± v_s). With assuming v, vₒ, v_s to be the speed of sound, speed of observer and speed of source, respectively (assuming all variables to be nonnegative) when is the plus or minus sign used in the numerator and denominator ?
For a stationary source of a sound, how fast must an observer move in order to double the frequency of the sound heard ?
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