How is a globular cluster similar to a spiral galaxy ?

Unpolarized light whose intensity is 1.19 w/ is incident on a polarizer. (a) what is the intensity of the light leaving the polarizer? (b) if the analyzer is set at an angle of = 41.0∘ with respect to the polarizer, what is the intensity of the light that reaches the photocell?

The combining of light nuclei is called blank. blank as in not actually blank. you know what im tryin to say.

Based on this activity, is kinetic energy always transformed into potential energy?