Thursday
July 31, 2014

Homework Help: Physics

Posted by Jonathan on Friday, September 27, 2013 at 10:02pm.

The position of a toy locomotive moving on a straight track along the x-axis is given by the equation:
x=t^4-6t^2+9t
where x is in meters and t is in seconds. The net force on the locomotive is equal to zero when t is equal to
Answer in units of s.

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