a 77 N net force is applied to a box which slides horizontally across a floor for 6.7 m. What amount of work is done on the box by the net force ?

Light that is polarized along the vertical direction is incident on a sheet of polarizing material. only 96% of the intensity of the light passes through the sheet and strikes a second sheet of polarizing material. no light passes through the second sheet. what angle does the transmission axis of the second sheet make with the vertical?

The volume of a gas is halved during an adiabatic compression that increases the pressure by a factor of 2.5. what is the specific heat ratio? show the math steps .

The energy produced as a result of this flow of electrons from atom to atom is called