Posted by **LARA** on Monday, February 27, 2012 at 8:05am.

please any on help me for this question ý need urgently.

The position of a particle moving along the x-axis is given by x = 3.49t2 – 2.21t3, where x is in meters and t is in seconds. What is the position of the particle when it achieves its maximum speed in the positive x-direction?

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