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27. Two musicians play and hold a note that has a Temp is 10° C frequency...
2. A note middle C from an oboe has a frequency of 261 Hz and travels at a speed of 343 m/s. The maximum amplitude of the vibration of an air molecule as the sound goes by is 3.0 x10-5 m. One observer in a concert hall is 15 m away from the oboe while another observer at the back of the concert hall is 75 m away. (a) Determine the wavelength of the wave. (b) Determine the maximum speed...
1. The speed of sound in an alcohol at a temperature of 20°C is 1260 m/s. The density of the alcohol at that temperature is 650 kg/m^3. At a temperature of 20°C, find the bulk modulus of the alcohol. 1030 MPa 1080 MPa 1140 MPa 1190 MPa 1240 MPa 2. During a thunderstorm, you hear the sound 4 s after you see the lightning flash. How far did it fall? Assume the temperature outside is approximately 20 1.324 km 1.372...
12) The diddley bow is an instrument which consists of a single-string tensioned between two points on a board, often using a glass bottle (see figure) for a bridge and a way to amplify the instrument's sound. The speed of sound in air is v = 343 m/s. a) What tension (in N) is required in a string with mass-per-unit-length u = 1 g/m to produce a fundamental frequency of G, or 49 Hz, if the length is L =...
question 4-7 4. Travelling Waves and Their Characteristics A rope wave travels in the positive x -direction. You are also told that the speed of the wave is 1000 cm/s, its frequency is 200 Hz, and that the wave is subject to the following initial conditions: at x 0 and t = 0: y =-1 cm, and, at x = 0 and t : ar = +20 cm/s (this is the velocity of the point on the rope at horizontal...