Abeam of light enters a flat pane of glass with parallel and smooth surfaces at an angle of incidence of 300. the refractive index of the glass is 1.2. the light is refracted when it enters the glass plate and refracted again when it leaves. what is the exiting angle of refraction? answer in degrees but do not enter the unit.

Amoving company collects data about couches they move and displays the data in a table. the force along the ramp, the angle of the ramp, and the height the couch is raised to are shown. which statements correctly compare the work done to move the couches? check all that apply. the same amount of work is done for couches 1 and 3. the same amount of work is done for couches 2 and 3. the work for couch 1 is greater than the work for couch 2. the work for couch 2 is less than the work for couch 3. the work for couch 3 is greater than the work for couch 1. the work for couch 2 is greater than the work for couch 1.