Consider a rotating disk of radius R and mass M that can rotate about a central axis in horizontal plane. It is initially at rest at t=0. It is given a constant angular acceleration magnitude Z rad/s². Consider a penny of mass m that is placed on the disk at a distan R/2 from the central axis. The coefficient of static friction between the penny and t rotating disk is µ§. At what time will the penny fly off the disk?
Consider a rotating disk of radius R and mass M that can rotate about a central axis in horizontal plane. It is initially at rest at t=0. It is given a constant angular acceleration magnitude Z rad/s². Consider a penny of mass m that is placed on the disk at a distan R/2 from the central axis. The coefficient of static friction between the penny and t rotating disk is µ§. At what time will the penny fly off the disk?
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Transcribed Image Text:6. Consider a rotating disk of radius R and mass M that can rotate about a central axis in
horizontal plane. It is initially at rest at t=0. It is given a constant angular acceleration
magnitude Z rad/s². Consider a penny of mass m that is placed on the disk at a distan
R/2 from the central axis. The coefficient of static friction between the penny and t
rotating disk is µg. At what time will the penny fly off the disk?
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