Light travels from acetone (n=1.36) into methylene iodide (n=1.74). If the initial angle was 37.5 degrees, what is the angle of refraction? A.56 degrees

B.28 degrees

C.42 degrees

D.35 degrees

Selma made a diagram to compare convection and radiation. which label belongs in the area marked x? must involve temperature differences between substances or objects only occurs when molecules are in direct contact involves the movement of fluids based on density differences can occur where there is little or no matter

Aplane flying horizontally at an altitude of 1 mile and a speed of of 500mih passes directly over a radar station. find the rate at which the distance from the plane to the station is increasing when it is 2mi away from the station.

Efficiency is the ratio of to for a system a)power in to power in b)power in to power out c) power out to power out d) power out to power in