A graph of v(t) is shown for a world-class track sprinter in a 100-m race. (See figure below). Runner Velocity vs. Time Velocity (m/s) 14 12 2086 2 0 2 6 Time (s) 8 10 12 (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 = 6 s? m/s (c) What is his average acceleration (in m/s²) between 0 and 4 s? m/s² (d) What is his time (in s) for the race? S

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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).
Runner Velocity vs. Time
Velocity (m/s)
14
12
2086
2
0
2
6
Time (s)
8
10
12
(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 = 6 s?
m/s
(c) What is his average acceleration (in m/s²) between 0 and 4 s?
m/s²
(d) What is his time (in s) for the race?
S
Transcribed Image Text:A graph of v(t) is shown for a world-class track sprinter in a 100-m race. (See figure below). Runner Velocity vs. Time Velocity (m/s) 14 12 2086 2 0 2 6 Time (s) 8 10 12 (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 = 6 s? m/s (c) What is his average acceleration (in m/s²) between 0 and 4 s? m/s² (d) What is his time (in s) for the race? S
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