52. With counterclockwise positive, the angular acceleration αfor both masses satisfies ()221212,mgLmgLImLmLτα=−==+by combining Eq. 10-45 with Eq. 10-39 and Eq. 10-33. Therefore, using SI units, 22229.8 m/s0.20 m0.80 m8.65 rad/s(0.20 m)(0.80 m)gL LLL−−===−++where the negative sign indicates the system starts turning in the clockwise sense. The magnitude of the acceleration vector involves no radial component (yet) since it is
This is the end of the preview. Sign up
access the rest of the document.
This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.