![]() What is the lowest frequency f of the sound wave produced when you blow into the pipe?Ī hole is now drilled through the side of the pipe and air is blown again into the pipe through the same opening. ![]() From the bridge to the support post () is 60.0 cm and the string is under a tension of 520 N. It is observed that decreasing the tension in the string decreases the beat frequency. When the string is vibrating in its first overtone and the air in the pipe in its fundamental frequency, 8 beats per second are heard. Ĭonsider a pipe of length 80.0 cm open at both ends. A guitar string is 90.0 cm long and has a mass of 3.24 g. A string 25 cm long and having a mass of 2.5 g is under tension. Throughout the problem, take the speed of sound in air to be 343 m/s.
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