For the waveform shown below, answer the following questions.

(a) Is this motion periodic?

(b) If the motion is periodic, what is the period of the motion (in seconds)?

Fig. P1.2 Example waveform

(c) If the motion is periodic, what is the frequency of its motion (express your answer in both \(\mathrm{rad} / \mathrm{s}\) and \(\mathrm{Hz}\) )?

X 0 2.1 2.9 5.0 5.8 7.9 8.7 t(s)