The speed v of a sound Waves through a medium May be assumed to depond on (a) the denisty P of the medium and [b] Its modolus of elaticity E which is the ratio of stress to Strain deduce by the method of dimensions, the Formular for the speed of sand

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?

What type of relationship exists between the length of a wire and the resistance, if all other factors remain the same? o a. resistance is directly related to length. ob. resistance is directly related to the square of the length. c. resistance is inversely related to the length. d. resistance is inversely related to the square of the length. reset next

What structural formula represents 4 electrons shared between two atoms?