Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (3rd Edition)

Published by Pearson
ISBN 10: 0321740904
ISBN 13: 978-0-32174-090-8

Chapter 2 - Kinematics in One Dimension - Exercises and Problems: 7

Answer

During one beat of the heart, the blood moves approximately 8 cm

Work Step by Step

The area between the velocity versus time graph and the x-axis is equal to the displacement. From t = 0.1 s to 0.3 s, the area under the velocity versus time graph is $\frac{1}{2}(0.8 ~m/s)(0.2 ~s)$ which is 0.08 m Therefore, during one beat of the heart, the blood moves approximately 8 cm
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