John is practicing for a 100 m race. If the acceleration he can generate is given by, a(t)=sqr(t)/4 m/s^2, calculate the time he takes to finish the 100 m run. A. 6.31 sec
B. 6.47 sec
C. 18.64 sec
D. 40.00 sec

To earn college credit for ap courses that students take in high school they must

Which sentence is true about preconception care? a. women who are thinking about having a child should not worry about preconception care as it is unnecessary. b. preconception care is health care you receive after you get pregnant.c. it is aimed at finding and taking care of problems that could affect you or the baby during pregnancy and steps to reduce birth defects. d. it will involve taking medication and a strict diet and exercise plan.

Terrence would like to reward himself after each goal he sets, but he's not sure what type of reward to choose. he's easily distracted and finds it hard to concentrate at times. which would be the best type of reward for terrence? a. a brief social network break b. a long nap c. a snack while he keeps studying d. watching a couple of tv shows