The positions, of a particle moving along a horizontal straight line is given by the equation s =
6t² - 4, where s is in meter and t is the time in seconds. The particle is 4m to the right of the
origin when t = 0.
A.1. Determine the displacement of the particle during the time interval from t = 2s to t = 4s.
A.2. Determine the velocity and acceleration of the particle when t = 4s.
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