CONCEPTUAL INTEGRATED SCIENCE (PEARSON+
3rd Edition
ISBN: 2818440059223
Author: Hewitt
Publisher: PEARSON+
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Textbook Question
Chapter 2, Problem 84TE
You toss a coin vertically upward in the air. Assuming no air resistance, (a) will it return to your hand with its initial speed? (b) Will its acceleration be the same in its up and down motion?
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In the absence of air resistance, if a ball is thrown vertically upward with a certain initial speed, on returning to its original level it will have the same speed. When air resistance is a factor, will the ball be moving faster, the same, or more slowly than its throwing speed when it gets back to the same level? Why? (Physicists often use a “principle of exaggeration” to help them analyze a problem. Consider the exaggerated case of a feather, not a ball, because the effect of air resistance on the feather is more pronounced and therefore easier to visualize.)
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Chapter 2 Solutions
CONCEPTUAL INTEGRATED SCIENCE (PEARSON+
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