The position of a particle moving along the x axis is given by x = (21 + 22t - 6.0t2)m, where t is in s. What is the average velocity during the time interval t = 1.0 s to t = 3.0 s?
A)(-6.0 m/s)
B)(-4.0 m/s)
C)(-2.0 m/s)
D)(-8.0 m/s)
E)8.0 m/s

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The Answer of The position of a particle moving along the x axis is given by x = (21 + 22t - 6.0t2)m, where t is in s. What is the average velocity during the time interval t = 1.0 s to t = 3.0 s?
A)(-6.0 m/s)
B)(-4.0 m/s)
C)(-2.0 m/s)
D)(-8.0 m/s)
E)8.0 m/s

The Position of a Particle Moving Along the X Axis