Which of the following must be happening if an object is in uniform circular motion?
A. The objects speed must be changing
B. the objects centripetal acceleration must be changing
C. the objects velocity must be changing
D. the objects must be moving in a straight line

You want to lose weight and have been trying to decide which type of fad diet is best for you. you ask your doctor, who responds that a. fad diets are a temporary fix but generally don't have any side effects b. fad diets can be used several times a year to maintain a healthy weight c. fad diets can be risky for your health and, in the long run, do not work d. fad diets should never be used one right after the other; there should be a break between them select the best answer from the choices provided. a b c d

What describes the formation of horizon b? a. forms at the surface b. features parent material c. undergoes the most change d. forms due to decomposed material i think the answer is c. undergoes the most change

Calculate the speed of segment c. (science question)1.7 m/s .4 m/s*.6 m/s 2.3 m/s