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Class Manag nent 1 HW 11 Begim Date:7/24/2018 12 05:00 AM-Due Date: 8/3/2018 11-59.00 PM End Date: 8/32018 11:539900 PM (10%) Problem 3: Suppose an oncoming ambulance moving at 120 km/h emits a steady 79.Hz sound from its siren. t Status ere for d , iew | 50% Part (a> what froquency, in Hz, is received by a person watching them:ming armbulance? The speed of sound on thisday is 345 m/s. Grade Sommary Anempts remaining coshtanh0cotanh ODegrees Radians i. 50% Part(b) What frequency, in Hz. does the observe after the ambulance has passed? 3 5 9 0 command
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