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The displacement x of a particle along t...

The displacement x of a particle along the x-axis at time `t` is given by `x=a_1/2t+a_2/3t^2`. Find the acceleration of the particle.

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`x=a_1/2t+a_2/3t^2`
`impliesa=(d^2x)/(dt^2)=(2a_2)/(3)`
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