A $1\mathrm{.}25$ kg thin spherical shell rolls without slipping across a level surface, translating at $3\mathrm{.}25$ m$/$s$.$ If the shell's radius is $0\mathrm{.}340$ m$,$ find the following.

HINT

$($a$)$

the shell's translational kinetic energy $($in J$)$

J

$($b$)$

the shell's rotational kinetic energy $($in J$)$

J