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Exercise:
In the following cases the frequency heard by the observer is one just major third below the frequency emitted by a loudspeaker. Calculate the corresponding velocity as a fraction of the speed of sound for abcliste abc a moving loudspeaker. abc a moving observer abcliste

Solution:
abcliste abc The frequency ratio is given by fracf'f fracv_Sv_S+v_E Solving for the velocity of the loudspeaker leads to v_E vEF vstimesleftfrac-num/dennum/denright vE approx resultvEP abc The frequency ratio is given by fracf'f fracv_S-v_Rv_S Solving for the velocity of the observer leads to v_R vRF vstimesleft-fracnumdenright vR approx resultvRP abcliste
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Exercise:
In the following cases the frequency heard by the observer is one just major third below the frequency emitted by a loudspeaker. Calculate the corresponding velocity as a fraction of the speed of sound for abcliste abc a moving loudspeaker. abc a moving observer abcliste

Solution:
abcliste abc The frequency ratio is given by fracf'f fracv_Sv_S+v_E Solving for the velocity of the loudspeaker leads to v_E vEF vstimesleftfrac-num/dennum/denright vE approx resultvEP abc The frequency ratio is given by fracf'f fracv_S-v_Rv_S Solving for the velocity of the observer leads to v_R vRF vstimesleft-fracnumdenright vR approx resultvRP abcliste
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Attributes & Decorations
Branches
Doppler Effect
Tags
frequency shift, interval, sound wave
Content image
Difficulty
(2, default)
Points
0 (default)
Language
ENG (English)
Type
Calculative / Quantity
Creator by
Decoration
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Link