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16.4 Exercise 19

Avg difficulty 2.5

A 250-Hz tuning fork is struck and the intensity at the source is I1I_{1} at a distance of one meter from the source. (a) What is the intensity at a distance of 4.00 m from the source? (b) How far from the tuning fork is the intensity a tenth of the intensity at the source?

OpenStax University Physics Volume 1, 16.4 Energy and Power of a Wave, exercise 19

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Adapted from University Physics Volume 1 © 2016 Rice University. Licensed under CC BY 4.0. Source: University Physics Volume 1. Imported at revision db44eb9.