College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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- You want to create a standing sound wave in its 2nd overtone. Your smartphone can generate any frequency you want. The only tube you have is 1.68m long. You can either block one end or not; it’s up to you. What frequency should you use? Draw the representation of the standing wave.
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- a standing wave in a clothesline has 10 nodes and 9 antinodes. the clothesline is 8.46m long and is vibrating at 1.71 Hz. what is the speed of the wave?arrow_forward13 = 342 237. € X Your response differs from the correct answer by more than 10%. Double check your calculations. m (c) Suppose the wire is carbon steel with a density of 7.89 x 10³ kg/m³, a cross-sectional area A = 2.68 x 10-7 m², and an elastic limit of 2.50 x 108 Pa. Find the fundamental frequency if the wire is tightened to the elastic limit. Neglect any stretching of the wire (which would slightly reduce the mass per unit length). Hz EXERCISE HINTS: GETTING STARTED I I'M STUCK! (a) Find the fundamental frequency and second harmonic if the tension in the wire is increased to 118 N. (Assume the wire doesn't stretch or break.) ffundamental = Hz f2nd harmonic= Hz (b) Using a sound speed of 342 m/s, find the wavelengths of the sound waves produced. λ (larger) = 2.00 X Follow the example. Once you have computed the correct fundamental frequency, you should be able to determine the wavelengths of the sound waves. m > (smaller) = 1.00 X Follow the example. Once you have computed the…arrow_forwardA section of drainage culvert 2.25 m in length makes a howling noise when the wind blows across its open ends. Take v=334m/s as the speed of sound in air. Determine the frequencies of the first harmonics of the culvert if it is cylindrical in shape and open at both ends._____Hz Determine the frequencies of the first overtone of the culvert if it is cylindrical in shape and open at both ends._____Hz Determine the frequencies of the secon overtone of the culvert if it is cylindrical in shape and open at both ends._____Hz What are the lowest natural frequencies of the culvert if it is blocked at one end?_____Hz What are the second lowest natural frequencies of the culvert if it is blocked at one end?_____Hz What are the third lowest natural frequencies of the culvert if it is blocked at one end?_____Hz What is the ambient temperature?_____Celsiusarrow_forward
- A piano wire with mass 3.45 g and length 85.0 cm is stretched with a tension of 35.0 N. A wave with frequency 115 Hz and amplitude 1.60 mm travels along the wire. Part A Calculate the average power carried by the wave. P = Submit ▾ Part B 15. ΑΣΦ P= Request Answer Se 15. ΑΣΦ ? What happens to the average power if the wave amplitude is halved? W ? Warrow_forward2. A very narrow slit of width a = 2.50µm is illuminated with light of wavelength 1 = 540.0 nm and a diffraction pattern is observed on a screen D=1.25 m from the slit. At the screen, how far from the optical axis, y2 , is the second minimum that appears on а. either side of the central maximum? b. At the screen, how far from the optical axis, ymax is the furthest minimum that appears on either side of the central maximum?arrow_forwardThe equation for the displacement of a stationary wave on a string is given by y = 2 (sin 5πt)(cos 6πx), where x and y are in meters, and t is in seconds. Determine: a. wave period!arrow_forward
- What are the parts of this traveling wave? y(x,t) = (9.00 m) sin( (6л m¯¹)x + (4л rad/s)t - n/8) 11. Maximum vibration speedarrow_forwardA piano wire with mass 3.50 g and length 75.0 cm is stretched with a tension of 27.0 N. A wave with frequency 100 Hz and amplitude 1.90 mm travels along the wire. Calculate the average power carried by the wave. Express your answer in watts. What happens to the average power if the wave amplitude is halved? Express your answer in watts.arrow_forwardA phone cord is 4.89 m long. The cord has a mass of 0.212 kg. A transverse wave pulse is produced by plucking one end of the taut cord. That pulse makes four round trips (down and back) along the cord in 0.666 s. What is the tension in the cord? Hint: Four round trips is a total distance of eight lengths of the cord.arrow_forward
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