Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (4th Edition)

Published by Pearson
ISBN 10: 0133942651
ISBN 13: 978-0-13394-265-1

Chapter 4 - Kinematics in Two Dimensions - Conceptual Questions: 5

Answer

(a) $v_x, a_x,$ and $a_y$ are constant during the flight. (b) $a_x = 0$ throughout the flight.

Work Step by Step

(a) $v_x, a_x,$ and $a_y$ are constant during the flight. The $x$ and $y$ positions change during the flight, so they are not constant. Because of gravity, $v_y$ decreases throughout the flight so it is not constant. $v_x$ is constant throughout the flight as there is no horizontal acceleration. $a_x$ is constant and equal to zero because there is no horizontal force during the flight (when we ignore air resistance). $a_y$ is constant (equal to $g$) throughout the flight and it is directed toward the ground. (b) $a_x = 0$ throughout the flight because there is no horizontal force acting on the object during the flight (assuming we ignore air resistance).
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.