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March 27, 2017

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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.

  • Physics - ,

    When t = 0, x = 0.

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