The equation of motion of a particle is s = t – 4t3 + t2 - t, where s is in meters and t is in seconds. (Assume t 2 0.) (a) Find the velocity, v(t), and acceleration, a(t), as functions of t. v(t) = a(t) = (b) Find the acceleration (in m/s2) after 1.2 s. a(1.2) = m/s? (c) Graph the position, velocity, and acceleration functions on the same screen.

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