Aswimmer runs horizontally off a diving board with a speed of 3.62 m/s and hits the water at at horizontal distance of 1.68 m from the end of the board; what is the height of the diving board?

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?