Posted by Angela on .
A diver begins a high dive with an angular velocity of 6.3 rad/s. By tucking himself into a ball, he decreases his moment of inertia by a factor of 9.0. What is his new angular speed?

college physics 
bobpursley,
angular momentum is conserved:
angmom= I w If I goes down to 1/5, w increases by 5.