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


c

Physics & Space Science

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