Assignment:
A diver can change her rate of rotation in the air by "tucking" her head in and bending her knees. Lets assume that when she is stretched out straight she is rotating at 1 revolution per second. Now she goes into the "bend and tuck", effectively shortening the length of her body in half. What will her roation be now?
a. 5Hz
b. 4Hz
Provide complete and step by step solution for the question, use formulas.