Why does the air move faster on the top of the aerofoil than the air below. I want a good question and a short one and thus the high number of points, if you answer with not answer, your answer will be deleted

Ared apple is illuminated by a blue light the apple will appear

An ideal gas is held in a container at constant volume. initially, its temperature is 5 degrees c and its pressure is 1.2 atm. what is its pressure when its temperature is 43 degrees c? answer in units of atm

Asatellite component is in the shape of a cube with 10cm edges, has an evenly distributed mass of 2 kg and one bolt hole at each of four corners. if the maximum predicted random vibration environment is 10 grms, what bolt size would be a good choice for restraint? what other factors might drive bolt size besides force/stress?