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1. -2 points OSUniPhys1 3.1.P.027 The position of a particle moving along the x-axis is given by x(t) = 3.8-1.9t m. (Assume t is in seconds.) (a) At what time (in s) does the particle cross the origin? (b) what is the displacement (in m) of the particle between t = 4.0 s and t = 8.0 s? (Indicate the direction with the sign of your answer.) Additional Materials eBook

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