What is the length x of the side of the triangle below? (hint: use the cosine function)

Agas is contained in a vertical, frictionless piston–cylinder device. the piston has a mass of 3.2 kg and a cross-sectional area of 35 cm2. a compressed spring above the piston exerts a force of 190 n on the piston. if the atmospheric pressure is 95 kpa, determine the pressure inside the cylinder.

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f

How do we measure or think of speed in the united states?