COLLEGE PHYSICS
2nd Edition
ISBN: 9781711470832
Author: OpenStax
Publisher: XANEDU
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Textbook Question
Chapter 2, Problem 14PE
A football quarterback runs 15.0 m straight down the playing field in 2.50 s. He is then hit and pushed 3.00 m straight backward in 1.75 s. He breaks the tackle and runs straight forward another 21.0 m in 5.20 s. Calculate his average velocity (a) for each of the three intervals and (b) for the entire motion.
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A football quarterback runs 13.7 m straight down the playing field in 2.50 s. He is then hit
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forward another 18.3 m in 5.20 s. Calculate his average velocity for each of the three
intervals and for the entire motion. (Define the positive direction to be the direction of
initial motion.)
What is his average velocity over the entire motion?
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An athlete sprints in a straight line for 50.0 m in 8.00 s, and then walks slowly back to the starting line in 40.0 s. If the“sprint direction” is taken to be positive, what are (a) the average sprint velocity, (b) the average walking velocity, and(c) the average velocity for the complete round trip?
A football quarterback runs 15.0 m straight down theplaying field in 2.50 s. He is then hit and pushed 3.00 mstraight backward in 1.75 s. He breaks the tackle and runsstraight forward another 21.0 m in 5.20 s. Calculate hisaverage velocity (a) for each of the three intervals and (b) forthe entire motion
Chapter 2 Solutions
COLLEGE PHYSICS
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