Answer
$I=0.088 W/m^2$
Work Step by Step
To find the intensity, use the formula relating intensity and distance from a source, which is $$I=\frac{P}{A}=\frac{P}{4\pi R^2}$$ Plugging in values yields $$I=\frac{10.W}{4\pi (3.0m)^2}=0.088W/m^2$$
Fundamentals of Physics Extended (10th Edition)
by Halliday, David; Resnick, Robert; Walker, Jearl
Published by
Wiley
ISBN 10:
1-11823-072-8
ISBN 13:
978-1-11823-072-5
Chapter 17 - Waves-II - Problems - Page 513: 104a
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
