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

This preview shows pages 1–3. Sign up to view the full content.

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?

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

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....
View Full Document

## 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.

### Page1 / 3

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

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online