Calculate the wavelength of the line in the emission line spectrum of hydrogen caused by the transition of the electron from an orbital with to an orbital with . round your answer to significant digits.

An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge

What are the theoretical properties of a gas at a temperature of 0 kelvin?

The power exerted by a muscle is the product of the force exerted and the velocity of contraction. the area of which of these shaded regions represents the power exerted while a weight is lifted at maximum speed?