A speaker produces 100 (w) of power, If the speaker projects sound uniformly into the forward hemisphere, what is the intensity at 3m away from the speaker a) 15.92 w/ m² b) 3.98 w/ m² c) 1.77 w/ m² d) 1.00 w/ m² О 1. а О 2. b 3. d 4. c

A speaker produces 100 (w) of power, If the speaker projects sound uniformly into the forward hemisphere, what is the intensity at 3m away from the speaker a) 15.92 w/ m² b) 3.98 w/ m² c) 1.77 w/ m² d) 1.00 w/ m² О 1. а О 2. b 3. d 4. c

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter17: Sound Waves

Section: Chapter Questions

Problem 17.67AP

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Question

A speaker produces 100 (w) of power, If the speaker projects sound uniformly
into the forward hemisphere, what is the intensity at 3m away from the speaker
a) 15.92 w/ m²
b) 3.98 w/ m²
c) 1.77 w/ m²
d) 1.00 w/ m²
O 1. a
О 2. Ь
O 3. d
4. С

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