Question
The loudspeaker on a parade float - mounted on a pole - is stuck playing an annoying 210 Hz tone. When the speaker is 10m
The loudspeaker on a parade float - mounted on a pole - is stuck playing an annoying 210 Hz tone. When the speaker is 10m away, you measure the sound to be 95dB at 208 Hz. How long will it take for the sound intensity to drop to 55db?
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Introduction To Health Care Management
Authors: Sharon B. Buchbinder, Nancy H. Shanks
3rd Edition
9781284081015
