A [w]-N sphere [R] m in radius rolls without slipping 6.0 m…

A [w]-N sphere [R] m in radius rolls without slipping 6.0 m down a ramp that is inclined at [th]° with the horizontal. What is the angular speed, in rad/s, of the sphere at the bottom of the slope if it starts from rest? [Round your answer to the nearest whole number.]