Essential University Physics: Volume 1 (3rd Edition)

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

Chapter 3 - Section 3.3 - Velocity and Acceleration Vectors - Got It?: 3.3

Answer

1. c 2. c 3. a

Work Step by Step

In case one, there is a component of the wind that is going against the plane, so the plane must move faster than 500 km/h. Case two also requires a faster velocity, for the wind is blowing the plane east, so it must be faster than 500 km/h to account for the fact that it cannot go in a straight path. In case three, there is a component of the wind going in the direction of the plane, so it does not need to go 500 km/h to get there in the same time.
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