Two point charges lie on the axis. A charge of +9.72 is at the origin, and a charge of -4.91 is at = 13.0 cm. At what position would a third charge q3 be in equilibrium, provided that q3 is positive. At what position would a third charge q3 be in equilibrium, provided that q3 is negative.

An initially unpolarized light if intensity 500 w/m^2 passes through four polarizers. the transmission axis between adjacent polarizers is 45∘. what percentage of the initial intensity is transmitted by the system?

Carbon 14 is a naturally occurring stable

While standing outdoors one evening, you are exposed to the following four types of electromagnetic radiation: yellow light from a sodium street lamp, radio waves from an am radio station, radio waves from an fm radio station, and microwaves from an antenna of a communications system. rank these type of waves in terms of increasing photon energy.