determine the region of the electromagnetic spectrum in which the lines of the lyman series are observed.

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.

Aball is thrown horizontally from a cliff at 8m/s .in what direction is the ball moving 2s later?

Diverging mirrors and lenses always produce images