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Transcript
Chapter 2 | Kinematics
Figure 2.68
Figure 2.65
Figure 2.66
65. A graph of
v(t) is shown for a world-class track sprinter
in a 100-m race. (See Figure 2.67). (a) What is his average
velocity for the first 4 s? (b) What is his instantaneous velocity
at t = 5 s ? (c) What is his average acceleration between 0
and 4 s? (d) What is his time for the race?
Figure 2.67
66. Figure 2.68 shows the displacement graph for a particle
for 5 s. Draw the corresponding velocity and acceleration
graphs.
15