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The position of a particle is given by x = 3.2 cos πt, where x is...

The position of a particle is given by x = 3.2 cos πt, where x is in meters and t is in seconds.

(a) Find the maximum speed and maximum acceleration of the particle.
_____________m/s
_____________m/s2

(b) Find the speed and acceleration of the particle when x = 2.4 m.
______________m/s
_______________m/s2

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