- #1

jasonmoon

- 13

- 0

__Problem:__

Consider an ice skater spinning in a circle. We will approximate the body as a cylinder with a radius of 0.25 m. The total mass of the skater is 50kg. When the skater has her arms extended we will approximate her body as a cylinder with two rods attached. Each arm is 0.75 m long and has a mass of 2.5 kg. When the skater brings her arms in, we will approximate her body as a cylinder.

http://s3.amazonaws.com/answer-boar...o figure out where the energy is coming from.