A bus is traveling North at a rate of 20 m/s. A student stands up and walks toward the front of the bus (North) at a rate of 2 m/s. What is the resultant velocity of the student?
A. 10 m/s north
B. 18 m/s south
C. 22 m/s north
D. 40 m/s north
pls explain too bc i don’t get it

answer: the correct answer id option(d).

explanation:

snell's law refraction:

the angle of refraction =

the angle of incidence =

refractive index of air = = 1

refractive index of glycerol = 1.47

from the given options, the most closest answer to 63.72° is 65° of option (d).

colorectal cancer may also develop from areas of abnormal cells in the lining of the colon or rectum. this area of abnormal cells is called dysplasia and is more commonly seen in people with certain inflammatory diseases of the bowel such as crohn's disease or ulcerative colitis.

a 2,000 calorie based diet.