5th Edition

ISBN: 9780321976444

Author: James S. Walker

Publisher: PEARSON

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Chapter 4, Problem 46PCE

Predict/Explain You throw a ball into the air with an initial speed of 10 m/s at an angle of 60° above the horizontal. The ball returns to the level from which it was thrown in the time T. (a) Referring to Figure 4-28, which of the plots (A, B or C) best represents the speed of the ball as a function of time? (b) Choose the best explanation from among the following:

I. Gravity causes the ball’s speed to increase during its fight.
II. The ball has zero speed at its highest point.
III. The ball’s speed decreases during its flight, but it doesn’t go to zero.

Chapter 4, Problem 46PCE, Predict/Explain You throw a ball into the air with an initial speed of 10 m/s at an angle of 60

Figure 4-28

Problem 46

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Chapter 4, Problem 45PCE

Chapter 4, Problem 47PCE

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