9-8 3. A mass on a spring is at rest on a frictionless surface with an amplitude of 12 cm and a frequency of 4.0 Hz. Determine: a) period T = b) angular velocity, o O = - 12 am c) Write the equation for x(t): x(t) = %3D d) Calculate the position of the mass at 2.6 seconds. Theeeer e) Graph the motion. (cm)
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