$02).$ The approximate angular frequency of oscillations is: A$).0\mathrm{.}5$ rad s$-1$ B$).0\mathrm{.}08$ rad s$-1$ C$).1\mathrm{.}6$ rad s$-1$ D$).0\mathrm{.}8$ rad s$-103).$ The approximate phase angle of oscillations is: A$).0\mathrm{.}9$ rad B$).0\mathrm{.}6$ rad C$).1\mathrm{.}1$ rad D$).0\mathrm{.}3$ rad