The sound intensity from a jack hammer breaking concrete is 2.0 W/m 2 at a distance of

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The sound intensity from a jack hammer breaking concrete is 2.0 W/m2 at a distance of 2.0 m from the point of impact. This is sufficiently loud to cause permanent hearing damage if the operator doesn't wear ear protection.

(a) The sound intensity

(b) The sound intensity level for a person watching from 50 m away?

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College Physics A Strategic Approach

ISBN: 9780321595492

2nd Edition

Authors: Randall D. Knight, Brian Jones, Stuart Field

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