Essential University Physics: Volume 1 (3rd Edition)

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

Chapter 2 - Section 2.5 - The Acceleration of Gravity - Got It?: 2.5

Answer

The answer is below.

Work Step by Step

The dropped ball hits first, for it begins going straight down and does not have to travel upward first. However, the ball thrown upward hits the ground faster, for it begins to speed up downward from the height of the top of its path as opposed to from the top of the building.
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