A hollow sphere with mass and radius $0\mathrm{.}250$ kg and $0\mathrm{.}0400$ m rolls without slipping down a curved track from a height of $0\mathrm{.}880$ m$.$a$)$ What is the linear speed of the hollow sphere at the bottom of the curved track?m$/$sb$)$ What is the angular speed of the hollow sphere at the bottom of the curved track?rad$/$sc$)$ How high will it roll up the other side?hm