Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Chapter 5 - Reading Check Questions (Comprehension) - Page 85-86: 18

Answer

While the ball is moving at an upward angle, the vertical component of the ball's velocity decreases. There are no horizontal forces on the ball if air resistance is negligible. The horizontal component of the ball's velocity stays the same, in accordance with Newton’s first law.
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