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The position of a particle is given in cm by x = (2) cos 6πt, where...

The position of a particle is given in cm by x = (2) cos 6πt, where t is in seconds.

(a) Find the maximum speed.
m/s

(b) Find the maximum acceleration of the particle.
m/s2

(c) What is the first time that the particle is at x = 0 and moving in the +x direction?
s

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