What does the letter "r" represent in the following equation
GM1M2
F,
72
pls help

Unpolarized light falls on two polarizer sheets whose transmission axes are at right angles. a third polarizer is placed between the first two so that its axis makes a 52-degree angle with the axis of the first polarizer. a) what fraction of the incident light intensity is transmitted through the first polaroid? b) what fraction of the incident light intensity is transmitted through the second polaroid? c) what is the angle of polarization of the light that enters the third polaroid? d) what fraction of the incident light intensity is transmitted through the third polaroid. e) what happens if the middle polaroid is removed?

Aria drove to the store, did some shopping, and then came home. during maria's trip, when was her displacement equal to zero?

Which branches of natural science include the study of an organism that lived 10 million years ago