12. REASONINGThe magnitude Fcof the centripetal force that acts on the skater is given by Equation 5.3 as 2c/Fmvr=, where mand vare the mass and speed of the skater, and ris the distance of the skater from the pivot. Since all of these variables are known, we can find the magnitude of the centripetal force.
This is the end of the preview.
access the rest of the document.