Calculate the moment of the 20N load about the pret

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?

If the textbook weighs 19.6 newtons on venus,what is the strength of gravity on venus?

Which component of the earth’s atmosphere is decreased due to photosynthesis?