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The position of a particle is given by x...

The position of a particle is given by x = 4 sin 2t, where x is in meters and is in seconds.
Find an expression for the acceleration of the particle as a function of time. What is the acceleration at time t=0 ? What is the maximum value of the acceleration?

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`a= (-16 m//s^2 ) sin 2r , 0 |a_("max")| = 16 m//s^2`
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