Inew = .4*I
Inew * omega new = I omega
omega new = (I/.4I) * 1 rev/s
omega new = 1/.4 = 2.5 rev/s
A skate dancer spins about a vertical axis at
1rev/s with arms out Stretched.with her arms
folded,her moment of inertia about the
vertical axis decreased by 60%,Calculate the
rate of revolution...
Plz show step
1 answer