An object is suspended from a spring with a force constant of $10$ N$/$m$.$

$($c$)$

Find the mass $($in kg$)$ suspended from this spring that would result in a $2\mathrm{.}0$ s period on Earth.

kg

$($d$)$

Find the mass $($in kg$)$ suspended from this spring that would result in a $2\mathrm{.}0$ s period on Mars.

kg