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4 October, 17:05

The acceleration of a particle along a straight line is defined by a = (2t-9m/s2 where t is in seconds. when t=9 determine the particle position distance velocity

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  1. 4 October, 17:25
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    A is 2nd derivative of position. And velocity is 1st derivative of position.

    If 2nd derivative is 2t - 9

    Then 1st derivative = t^2 - 9t which is velocity.

    And position is 1/3 * t^3 - 9/2 * t^2

    Put 9 for t's.
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