Thing about entergy transfers:

when you rub your hands together what are the energy transfers?

when you boil a kettle what energy transfers are happening?

walking up a flight of stairs, what are the energy transfers?

when you roll a bad done a hill what are the energy transfers?

Light from two different sources are incident upon the same side of a polarizing filter. light from one source is polarized with total intensity ip, while light from the other source is unpolarized with total intensity iu. as you rotate the polarizing filter through 360 degrees, the intensity of the transmitted light on the other side varies by a factor of 9. what is the relative intensity of the initial polarized source to the unpolarized source, or ip/iu?