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.


Answer: E

Physics & Space Science

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