Fundamentals of Physics Extended (10th Edition)

Published by Wiley
ISBN 10: 1-11823-072-8
ISBN 13: 978-1-11823-072-5

Chapter 2 - Motion Along a Straight Line - Problems: 104a

Answer

The average velocity during the first 3 seconds is 80 meters per second.

Work Step by Step

Velocity=Distance/ Time Time (3 seconds) is already given to us. We must use the given formula to find the distance traveled.---X= 50(3) + 10$(3)^{2}$ X=240 meters Velocity=240 meters$\div$3 seconds Velocity= 80 mps
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