Problem 8: Suppose an oncoming ambulance moving at 1'15 k'h'lh emits a stead)r 795-Hz sound from its siren- (si'thccxpcrttacum tracking id: QNGQ 4E C3 4-5 MAD 31945.1rt accordance with Export TA's Terms of Service. copying this information to any solutions sharing website Ll; strictly forbidden. Doing so may result in termination Uf'your Expert TA Account. Part (a) What frequency, in Hz, is received by a person watching the oncoming ambulance? The speed of sound on this day is 345 1111s. Numeric : A numeric value is expected and not an expression. fem = Part (b) What frequency, in Hz, does she observe after the ambulance has passed? Numeric : A numeric value is expected and not an expression. felts; = Problem 9: One day when the speed of sound in air is 343 m/s, a fire truck traveling at vs = 22 m/s has a siren which produces a frequency of f; = 436 Hz. Randomized Variables VS = 22 m/s f = 436 Hz @theexpertta.com - tracking id: 9N69-4E-C3-45-84AD-31945. In accordance with Expert TA's Terms of Service. copying this information to any solutions sharing website is strictly forbidden. Doing so may result in termination of your Expert TA Account. Part (a) What frequency (in Hertz) does the driver of the truck hear? Numeric : A numeric value is expected and not an expression. fa = Part (b) What frequency (in Hertz) does an observer hear when the truck is moving away? Numeric : A numeric value is expected and not an expression. fo =Problem 10: Consider a 0.676-m long tube, open at both ends. @theexpertta.com - tracking id: 9N69-4E-C3-45-84AD-31945. In accordance with Expert TA's Terms of Service. copying this information to any solutions sharing website is strictly forbidden. Doing so may result in termination of your Expert TA Account. Part (a) What is the fundamental resonance frequency, in hertz, of the tube on a day when the speed of sound is 344 m/s? Numeric : A numeric value is expected and not an expression. f1 = Part (b) What is the frequency, in hertz, of its second harmonic? Numeric : A numeric value is expected and not an expression. f2 =Problem 11: What beat frequencies, in hertz, will be present in the following situations: @theexpertta.com - tracking id: 9N69-4E-C3-45-84AD-31945. In accordance with Expert TA's Terms of Service. copying this information sharing website is strictly forbidden. Doing so may result in termination of your Expert TA Account. Part (a) If the musical notes A and C are played together (frequencies of 220 and 264 Hz)? Numeric : A numeric value is expected and not an expression. JBA&C = Part (b) If D and F are played together (frequencies of 297 and 352 Hz)? Numeric : A numeric value is expected and not an expression. JB.D&F = Part (c) An out of tune low C (129.8 Hz) and middle C (264 Hz)? Numeric : A numeric value is expected and not an expression. B,C3&C4 =