Answer
a. 1.28s.
b. $8.15\times10^{13}km$.
Work Step by Step
a. $t=\frac{x}{c}=\frac{3.84\times10^{8}m}{3.00\times10^{8}m/s}=1.28s$
b. $x = ct = (3.00\times10^{8}m/s)(8.61 yrs) \frac{3.156\times10^7 s}{yr}=8.15\times10^{13}km$
University Physics with Modern Physics (14th Edition)
by Young, Hugh D.; Freedman, Roger A.
Published by
Pearson
ISBN 10:
0321973615
ISBN 13:
978-0-32197-361-0
Chapter 32 - Electromagnetic Waves - Problems - Exercises - Page 1073: 32.1
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.
