calculate the moment of inertia of a skater give the following information.(a) the 60.0kg skater is approximated as a cylinder that has a .110m radius. (b) the skater with arms extended is approximately a cylinder that is 52.5kg has a .110m radius, and has two .900-m-long arms which are 3.75kg each and extend straight out from the cylinder like rods rotated about their ends