Determine the magnitude of the tension in the bicep if the barbell force is 450 N.

Unpolarized light of intensity i_0=750w/m^2 is incident upon two polarizers. after passing through both polarizers the intensity is i_2=280w/m^2. (a) what is the intensity of the light after it passes through the first polarizer in w/m^2? (b) write an equation for the angle between the polarizers in terms of the initial (i_0) and final (i_2) intensities. (c) find the angle between the polarizers in degrees.

The diagram shows four locations in the electric field of a positive point charge m. at which location is the electric potential the greatest.

Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.