$23.$ How long does it take for a $5$ kg mass suspended on a k $=300$ N$/$m spring to undergo one

full oscillation?

a$)0\mathrm{.}13$ s

b$)1\mathrm{.}23$ s

c$)7\mathrm{.}75$ s

d$)0\mathrm{.}81$ s

e$)9\mathrm{.}55$ s