Chapter 11 - A. 21.9 cm B. 26.7 cm C. 35.7 cm D. 56.8 cm E....

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Chapter 11 Waves Student: ___________________________________________________________________________ 1. A sound source of 100 watts radiates sound uniformly in all directions. The intensity of the sound at a distance of 4.00 m is: A. 0.301 W/m 2 . B. 0.353 W/m 2 . C. 0.497 W/m 2 . D. 0.535 W/m 2 . E. 0.621 W/m 2 . 4. A string is stretched with a tension of 120 N. The string has a mass of 10.0 grams and has a length of 2.50 meters. The velocity of wave propagation along the string is: A. 125 m/s. B. 142 m/s. C. 173 m/s. D. 185 m/s. E. 217 m/s. 10. A transverse wave travels at 250 m/s along the z-axis. If the frequency of the periodic vibrations of the wave is 440 Hz, then what is the wavelength of the wave?
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Unformatted text preview: A. 21.9 cm B. 26.7 cm C. 35.7 cm D. 56.8 cm E. 73.7 cm 24. A transverse periodic wave is represented by the equation y(x, t) = 2.50 cm cos(2,500 rad/s t - 15.0 m-1 x). What is the velocity of the wave? A. 450 m/s in the - y direction B. 333 m/s in the + y direction C. 333 m/s in the + x direction D. 167 m/s in the - x direction E. 167 m/s in the + x direction 47. A string on a guitar is stretched between two points 30.0 cm apart with a tension of 100 N. The mass/length of the string is 0.003 kg/m. The wavelength of the mode of vibration with the lowest frequency is: A. 0.3 m. B. 0.4 m. C. 0.5 m. D. 0.6 m. E. 0.7 m....
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This note was uploaded on 12/23/2011 for the course PHYSICS 2130 taught by Professor Zhixianzhou, during the Fall '09 term at Wayne State University.

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Chapter 11 - A. 21.9 cm B. 26.7 cm C. 35.7 cm D. 56.8 cm E....

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