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: 28b

Answer

61.5 meters

Work Step by Step

In part a we found that it takes 5 seconds for the car to stop. To find the distance traveled in this time we can use the equation: $v^2 = v0^2 + 2a\Delta x $ where again v0 = 24.6m/s, v = 0 and a = -4.92 $m/s^2$ $ 0 = (24.6)^2 + 2(-4.92)\Delta x $ Solving for $\Delta x$ we find that it is 61.5 m
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