physics.ucsd.eduphysics.ucsd.edu/students/courses/fall2013/physics1a/F13P1ACfinal... · A uniform...
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physics.ucsd.eduphysics.ucsd.edu/students/courses/fall2013/physics1a/F13P1ACfinal... · A uniform ladder 10.0 m long and weighing 75.0 N rests against a smooth frictionless vertical