Just remember it's along the corridor and up the stairs so horizontal comes first
11.5 x 3.2 = 36.8m
-36.8 meters change in elevation
Answer:
If light passes in an angle to a surface with a particular refractive index it refracts. This change in direction is due to a change in velocity. As light , for example, travels from air through water, it slows down, allowing it to continue travelling at a different angle or direction.
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
