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.;: Homepage-PHYSc s", G Chegg Study IGuox www.saplinglearning.com/ibiscms/mod/ibis/view.php?id 26891868proceed PHY - 1 gslist chattan % ChattState eLearnChattStateROOP Sapling M MGH Connect + Bank of America Com trust Fe | TN eCampus . PHYS 21 20 physics onne-Summer 16 l Activities and Due Dates 1 Mod 1 Test 6/17/2016 11:55 PM Grime Rem aining: 58M 48S Gradebook Question 3 of 5 Sapling Learning this quxstion was written by Sean Cordry at Walters State CommunityCollege Pat has been of a mixture of gasses. The length of the long, cylindrical container is 1.50 m. expeniments regarding the speed of sound in a container ful Answer the three questions below with three significant figures. Part A During a time-of-flight experiment, Pat determines that it takes a pulse of sound 0.0052 s to travel the fuil length of the cylinder. What is the speed of sound in the cylinder? Number m/s Part B: Suppose that Pat sends a sound with a frequency of 4.00 102 Hz down the tube. What is the wavelength of that sound? afrequency of 400×10Hz down the Number Part C. For Pat's last experiment, it is necessary to create a standing wave with three antinodes. (Note: the container is closed at both ends.) What frequency of sound should Pat use to create such a standing wave? OPrevous ONext Previous Next Save And Exit Save And Exit b and Windows

Explanation / Answer

v = 1.5 / 0.0052 = 288 m/s

v = frequency * wavelenght

wavelenght = 288 / 400 = 0.72 m

For 3 antinodes

wavelenght = 4/5*L = 4/5*1.5 = 1.2 m

frequency = 240 Hz

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