The position of a mass oscillating on a spring is given by
X= 7.8 cm cos [2 pi t / (0.68 s) ]
a. What is the frequency of this motion?
b. When is the mass first at the position x= -7.8cm Solution Preview
a) angular velocity = w =2pi /T= 2pi /0.68
Therefore T=0.68 …
The expert calculates frequency of oscillatory motion and the time when the mass is first at the position x= -7.8cm.
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