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1) The position of a particle is given in cm by x = (4) cos 3πt,...

1) The position of a particle is given in cm by x = (4) cos 3πt, where t is in seconds.

(a) Find the maximum speed.
   m/s

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

2) An object of mass m is suspended from a vertical spring of force constant 1692 N/m. When the object is pulled down 2.51 cm from equilibrium and released from rest, the object oscillates at 5.10 Hz. Write expressions for the acceleration ax as functions of time t.

ax(t) = m/s2
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