Which describes the average velocity of a unicycle going around in circles
( there can be more then one answer)

a. the total displacement divided by the time
b. every time the unicycle returns to its starting point, the average velocity equals zero.
c. the average acceleration divided by the time
d. the slope of the acceleration vs time graph

Group control group #1 experimental group yes yes yes control group #2 no new drug orange juice bed rest no yes no yes ves which of the following is the best explanation of why a second control group was included in this experiment? o a. to provide the volunteers in the study with something to drink o b. to prove that the common cold cannot be cured c. to confuse anyone who is trying to steal their new drug and sell it as their own invention o d. to researchers conclude that results are related to the new drug and not to the orange juice submit e previous