PHY 113 Midterm: P113 06 Exam 3
Document Summary
Please read the problems carefully and answer them in the space provided. Write on the back of the page, if necessary. Partial credit will be given unless specified otherwise. The object below can rotate frictionlessly in the plane of the paper about axis a. A cylinder (i=(1/2)mr2) with mass m=1 kg and radius r=0. 2 m rolls without slipping along a level floor with speed v=0. 3 m/s. Determine the work required to stop the cylinder from rolling. Two objects are moving as shown in the figure below. A few years from now (that will pass faster than you can imagine) you find yourself helping your eight-year-old son make a pinewood derby car to race in the cub scout pinewood derby competition. In the pinewood derby, each kid carves a block of wood into the shape of a car and attaches four plastic wheels that are free to rotate about axes formed from nails.
