Question

Problem 16.97 Conatants I Periodie Table in which casels) w the beats occur gure 1) Two loudspeakars are at opposite ends of a railroad car as it noves past a stationary observer at 10.0 m/s, as shown in the fgure. Check all that apply A Submi Preius Answerse Correct Part B I the speakers have identical sound frequencies of 386 Ha, what is the beat frequency heard by the observer when he is between the speakers, at B Express your answer to two significant figures and include the appropriate units. -0 Hz Figure 1 of 1 Submit Previous Ansmers Reauest Answe r 10.0 ms X Incorrect; Try Again; 2 attempts remaining <Retum to Assignment Provide Feedback

Answer 1

Solntvalocft and NalocityfSound Vm Vm Vm-Vs Vm-s han bant f,-f C. fVm 11 Sound Vmats For ober B A VmtVs Vmt Vs B Bat B= f-f, = f Vm [ 2Vs Vm -V2 Homg bat observed obru utB amd Vs= lo m/ b) 366 Hz , Vm= 340ml 366 34°X2 X l0 330 K3.50