A 250 G , 25-Cm-Diameter Plastic Disk Is Spun On An Axle Through Its Center By An Electric Motor.

A 250 G , 25-Cm-Diameter Plastic Disk Is Spun On An Axle Through Its Center By … Read more A 250 G , 25-Cm-Diameter Plastic Disk Is Spun On An Axle Through Its Center By An Electric Motor.