Problem 17.29 Interference of Two Radio Waves An open-open organ pipe is 81.1 cm long. An open-closed pipe has a fundamental frequency equal to the third harmonic of the open-open pipe. Part A Two coherent sources of radio waves, A and B, are 5.00 meters apart. Each source emits waves with wavelength 6.00 meters. Consider points along the line connecting the two sources. How long is the open-closed pipe? Express your answer with the appropriate units. Part A ANSWER: At what distance from source A is there constructive interference between points A and B? Express your answer in meters. https://session.masteringphysic ent Print View ?assignment ID-9823567 4/6 You did not open hints for this part. ANSWER: 2/23/22. 7:29 AM Homework 7 m Problem 17.36 Part B At what distances from source A is there destructive interference between points A and B? Note that there will be two separate interference fringes between point A and point B. Enter your answers in ascending order separated by a comma. Two loudspeakers, 1.4 m apart, emit sound waves with the same frequency along the positive a-axis. Victor, standing on the axis to the right of the speakers, hears no sound. As the frequency is slowly tripled, Victor hears the sound go through the You did not open hints for this part. sequence loud-soft-loud-soft-loud before becoming quiet again. ANSWER: Part A https://session.masteringphysics.com/myct/assignmentPrint View?assignmentID=9823567 What was the original sound frequency? Assume room temperature of 20" C. Express your answer with the appropriate units. ANSWER: 2/23/22, 7:29 AM Homework 7 f = m