Essential University Physics: Volume 1 (3rd Edition)

Published by Pearson
ISBN 10: 0321993721
ISBN 13: 978-0-32199-372-4

Chapter 14 - Exercises and Problems - Page 263: 57

Answer

10 meters

Work Step by Step

We use the equation for intensity to find the value of x, which we will call the distance that you need to be at: $ x = r_{15}\sqrt{\frac{I_{15}}{I_x}}=15 \sqrt{\frac{750}{270}}= 25 m$ Subtracting this from where you started, we find: distance $= 25-15=10\ m$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After 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.