Amass is attached to the end of a spring and set into oscillation on a horizontal frictionless surface by releasing it from a compressed position. the record of time is started when the oscillating mass first passes through the equilibrium position, and the position of the mass at any time is described by x = (3.9 cm)sin[(9.3 rad/s)Ï€t]. determine the following.
(a) frequency of the motion hz.
(b) period of the motion.
(c) amplitude of the motion cm.
(d) first time after t = 0 that the object reaches the position x = 2.6 cm
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