A particleP moves with position x(t) = 4 cos(2t − 2). Give the amplitude and

frequency of this motion.

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- May 26th 2011, 01:43 AMDukeamplitude and frequencyA particleP moves with position x(t) = 4 cos(2t − 2). Give the amplitude and

frequency of this motion.

- May 26th 2011, 03:33 AMjgv115
If we have $\displaystyle y = a \cos (n\theta -b) $

Then $\displaystyle a$ is the amplitude and $\displaystyle \frac{2\pi}{n} $ is the period/frequency of the cos graph

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