81204hw12 - Zzztayloe, Rex Homework 12 Heinz 81204 Nov 04,...

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Unformatted text preview: Zzztayloe, Rex Homework 12 Heinz 81204 Nov 04, 2004 1 This print-out should have 20 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. The due time is Central time. 001 (part 1 of 1) 10 points At a maximum level of loudness, the power output of a 75-piece orchestra radiated as sound is 67.8 W. What is the intensity of these sound waves to a listener who is sitting 20.8 m from the orchestra? Answer in units of W / m 2 . 002 (part 1 of 1) 10 points A stereo speaker represented by P in the fig- ure emits sound waves with a power output of 95.57 W. P x 9 . 36 m What is the intensity of the sound waves at point x , 9.36 m away? Answer in units of W / m 2 . 003 (part 1 of 2) 5 points Transverse waves with a speed of 45 . 9 m / s are to be produced on a stretched string. A 6 . 52 m length of string with a total mass of . 0524 kg is used....
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This note was uploaded on 07/02/2011 for the course PHYS 201 taught by Professor Woodahl during the Fall '09 term at Indiana.

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81204hw12 - Zzztayloe, Rex Homework 12 Heinz 81204 Nov 04,...

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