A tennis ball moving with velocity v1 hits a stationary tennis ball. The collision is inelastic and the two balls start traveling together. What is the velocity of the two tennis balls moving together? A) 2v1 B) 1/2 v1 C) 1/3 v1 D) v1

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