A ballet dancer spins about a vertical axis at 1 revolution per second with arm outstretched. With her arms folded, her
Posted: Sat Jul 09, 2022 12:01 pm
A ballet dancer spins about a vertical axis at 1 revolution persecond with arm outstretched. With her arms folded, her moment ofinertia about the vertical axis decreases by 60 %. Calculate thenew rate of revolution in rad/s. (The answer is not 2.5 or 5radians)