Jane does 5 joules of work when she closes her bedroom window. She applies a force of 6 newtons to do the job.
How far does she pull the window?

Ascrew incorporates which other simple machine? lever wheel and axle inclined plane pulley

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 element x has 99 protons how many electrons does it have