Asked by mohammed alnunu
Doppler Effect a flying bat emits squeaks at a frequency of 85 khz if a stationary observer picks up the frequency of the squeaks as 80 khz is the bat moving towards or away from the listener ? determine the speed at which the bat is flying.
Answers
Answered by
Henry
a. Moving away.
b. Fo=(Vs-Vo)/(Vs+Vb) * Fb = 80.
(343-0)/(343+Vb) * 85 = 80,
343/(343+Vb) = 80/85 = 0.941
322.8+0.941Vb = 343, Vb = 21.4 m/s.
b.
b. Fo=(Vs-Vo)/(Vs+Vb) * Fb = 80.
(343-0)/(343+Vb) * 85 = 80,
343/(343+Vb) = 80/85 = 0.941
322.8+0.941Vb = 343, Vb = 21.4 m/s.
b.
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