A narrow beam of sodium yellow light, with wavelength 589 nm in vacuum, is incident from air onto a smooth water surface at an angle of incidence of 40 degrees with respect to the normal. The index of refraction of water is 1.33. What is the angle of refraction in degrees

10 points! will mark brainiest! in a heat engine if 1,000 j of heat enters the system and the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2,000 j 1: write the equation2: list out your known variables 3: plug the numbers into the equations 4: solve 5: write your solution statement that includes initial energy and final energy added you so much!

In which of the following is positive work done by a person on a suitcase

To a of 4 x hz is 1. 0. mm nm nm