A graph of v(t) is shown for a world-class track sprinter in a 100-m race. (See
A graph of v(t) is shown for a world-class track sprinter in a 100-m race. (See figure below).
(a) What is his average velocity for the first 4 s?
m/s
m/s
(b) What is his instantaneous velocity at
t =
8 s?
8 s?
m/s
(c) What is his average acceleration between 0 and 4 s?
m/s
2
(d) What is his time for the race?
s
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