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A 0.23 kg mass at the end of a spring oscillates 2.9 times per second with...

A 0.23 kg mass at the end of a spring oscillates 2.9 times per second with an amplitude of 0.13 m . Part A Determine the speed when it passes the equilibrium point. Part B Determine the speed when it is 0.11 m from equilibrium. Part C Determine the total energy of the system. Part D Determine the equation describing the motion of the mass, assuming that at t=0, x was a maximum. Determine the equation describing the motion of the mass, assuming that at , was a maximum.

A )x(t)=(0.065m)cos[2?(2.9Hz)t]

B )x(t)=(0.13m)cos[2?(2.9Hz)t]

C )x(t)=(0.13m)sin[2?(2.9Hz)t]

D) x(t)=(0.13m)cos[(2.9Hz)t]

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