The velocity of a particle moving along a horizontal line is described by v(t) = t - 2t m/s. Initially, the object's position is at s = 0. (A) What is the position of the particle after 4 seconds? of the initial position. Answer: m, to the (B) What is the total distance travelled by the particle after 4 seconds? Hint: the total distance equals the total area bounded by the the graph of the velocity function and the t-axis in the given time interval. Answer: m.

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