Need help with this physics problem.?

A bowling ball of mass 6.7 kg and radius 9.0 cm rolls without slipping down a lane at 4.5 m/s. Calculate its total kinetic energy.

Anonymous2009-03-12T14:15:37Z

Favorite Answer

Ek = 1/2 times m times (v squared)

Ek = 1/2 times 6.7 times 4.5 times 4.5

i think the radius is irrelevant but i'm not sure..