4. The velocity of a particle moving along the x-axis is given as a function of time by the expression v(t) = 3.0t^2 - 2.0t + 4.0, where v is in meters per second and t is in seconds. What is the instantaneous acceleration of the particle at t = 2.0 s? A. 4.0 m/s^2 B. 6.0 m/s^2 C. 8.0 m/s^2 D. 10.0 m/s^2 E. 12.0 m/s^2
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