7. Carl Lewis set a world record for the 100.0-m run with a time of 9.86 s. If, after reaching the finish line, Mr. Lewis walked directly back to his starting point in 90.9 s, what is the magnitude of his average velocity for the 200.0 m? (A) 0 m/s (C) 1.10 m/s (B) 1.98 m/s (D) 10.1 m/s

College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter2: Motion In One Dimension
Section: Chapter Questions
Problem 64AP: To pass a physical education class at a university, a student must run 1.0 mi in 12 min. After...
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7. Carl Lewis set a world record for the 100.0-m run with a time of
9.86 s. If, after reaching the finish line, Mr. Lewis walked
directly back to his starting point in 90.9 s, what is the
magnitude of his average velocity for the 200.0 m?
(A) 0 m/s
(C) 1.10 m/s
(B) 1.98 m/s
(D) 10.1 m/s
brick is dropped from rest from a height of 4.9 m. How long
Transcribed Image Text:7. Carl Lewis set a world record for the 100.0-m run with a time of 9.86 s. If, after reaching the finish line, Mr. Lewis walked directly back to his starting point in 90.9 s, what is the magnitude of his average velocity for the 200.0 m? (A) 0 m/s (C) 1.10 m/s (B) 1.98 m/s (D) 10.1 m/s brick is dropped from rest from a height of 4.9 m. How long
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