A block of mass 8.9 kg is suspended from a pulley via a light cord. The pulley has a mass of 5 kg and a radius of 33 cm. Treat the pulley as a disk. What is
the acceleration of the block assuming a 1.1 Nm frictional torque?

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?