What is the angular momentum of a figure skater spinning at 2.9rev/s with arms in close to her body, assuming her to be a uniform cylinder with a height of 1.5m , a radius of 15cm , and a mass of 59kg ?

Answer 1

L=I ω= (mr²/2) •2πf= mr²πf
=59•0.15²• π•2.9=12.1 kg•m²/s