Abeam of light traveling in air strikes a slab of transparent material. the incident beam makes an angle of 40° with the normal, and the refracted beam make an angle of 26° with the normal. what is the speed of light in the transparent material? (c = 3.0 × 108 m/s)

The three classes of rocks are sedimentary, metamorphic, and igneous. how are rocks classified into one of these three groups?

The chart shows daniela’s run through her race. what is her velocity? 1.5 m/s 2 m/s 2.5 m/s 5 m/s

An ascending elevator, hanging from a cable, is coming to a stop. part a part complete identify all forces acting on the elevator from the list below. select all that apply. select all that apply. kinetic friction normal force tension weight static friction submitprevious answers correct part b draw a free-body diagram of the object. draw the vectors starting at the black dot. the location and orientation of the vectors will be graded. the exact length of your vectors will not be graded but the relative length of one to the other will be graded.