How long after it is released does it take the object to return to the equilibrium position for the first time?

$($a$)0\mathrm{.}124$ s

$($b$)0\mathrm{.}026$ s

$($c$)0\mathrm{.}065$ s

$($d$)0\mathrm{.}081$ s

$($e$)1\mathrm{.}75$ s