A particle moving along the x axis has a position given by x = 54t ? 2.0t3 m. At the time t = 3.0 s, the speed of the particle is zero. Which statement is correct?
a. The particle remains at rest after t = 3.0 s.
b. The particle no longer accelerates after t = 3.0 s.
c. The particle can be found at positions x < 0 m only when t < 0 s.
d. All of the above are correct.
e. None of the above is correct.
e
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