A graph of v(t) is shown for a world-class track sprinter in a 100-m race. (See figure below. For each answer, enter a number.) Velocity (m/s) 14 12 10 2 Runner Velocity vs. Time Time (s) 8 10 (a) What is his average velocity (in m/s) for the first 4 s? m/s (b) What is his instantaneous velocity (in m/s) at t = 7 s? m/s (d) What is his time (in s) for the race? 12 (c) What is his average acceleration (in m/s²) between 0 and 4 s? m/s2

College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter1: Introduction: The Nature Of Science And Physics
Section: Chapter Questions
Problem 1PE: The speed limit on some interstate highways is roughly 100 km/h. (a) What is this in meters per...
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A graph of v(t) is shown for a world-class track sprinter in a 100-m race. (See figure below. For each answer, enter a number.)
Velocity (m/s)
14
12
0
2
t
Runner Velocity vs. Time
4
Time (s)
8
(a) What is his average velocity (in m/s) for the first 4 s?
m/s
10
(b) What is his instantaneous velocity (in m/s) at t = 7 s?
m/s
(d) What is his time (in s) for the race?
S
(c) What is his average acceleration (in m/s2) between 0 and 4 s?
m/s²
12
(i
Transcribed Image Text:A graph of v(t) is shown for a world-class track sprinter in a 100-m race. (See figure below. For each answer, enter a number.) Velocity (m/s) 14 12 0 2 t Runner Velocity vs. Time 4 Time (s) 8 (a) What is his average velocity (in m/s) for the first 4 s? m/s 10 (b) What is his instantaneous velocity (in m/s) at t = 7 s? m/s (d) What is his time (in s) for the race? S (c) What is his average acceleration (in m/s2) between 0 and 4 s? m/s² 12 (i
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