Astring is wound tightly around a fixed pulley whose radius is 5.0 cm. as the string is pulled, the
pulley rotates without slipping. what is the angular speed of the pulley when the string has a
linear speed of 5.0 m/s?

Consider an ideal gas at 27.0 degrees celsius and 1.00 atmosphere pressure. imagine the molecules to be uniformly spaced, with each molecule at the center of a small cube. what is the length l of an edge of each small cube if adjacent cubes touch but don't overlap?