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Conceptual Integrated Science
3rd Edition
ISBN: 9780135197394
Author: Hewitt, Paul G., LYONS, Suzanne, (science Teacher), Suchocki, John, Yeh, Jennifer (jennifer Jean)
Publisher: PEARSON EDUCATION (COLLEGE)
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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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Students have asked these similar questions
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.)
) You drop your cell phone from your hand which is 1.0m above the ground. What will its speed be
when it strikes the ground if you ignore air drag (which is a fair assumption for such a short fall)?
A baseball is thrown vertically upward with an initial velocity of 9 m/s. Neglecting air friction, how long will it take for it to reach the top of its flight?
Chapter 2 Solutions
Conceptual Integrated Science
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