Answer
320 Watts
Work Step by Step
We know that power equals force times velocity. Thus, we find:
$ P = Fv = (mgsin\theta +F_{air})v $
$ P = (75 \times 9.81 sin5^{\circ} +8.2) (4.4) \approx 320 \ W $
Essential University Physics: Volume 1 (3rd Edition)
by Wolfson, Richard
Published by
Pearson
ISBN 10:
0321993721
ISBN 13:
978-0-32199-372-4
Chapter 6 - Section 6.5 - Power - Example - Page 103: 6.9
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