Please help! Links or irrelevant answers will be reported. Your reflection in Curved Mirrors - What happens to the image?

Which changes of state do the labels represent? a: b: c:

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?

Balloon a has charge q, and identical mass balloon b has charge 10q. you hang them from threads near each other. choose all of the statements with which you agree. check all that apply. a. a and b exert the same magnitude forces on each other. b. the force that a exerts on b is 10 times the force that b exerts on a. c. the angle between the thread supporting a and the vertical is < the angle between the thread supporting b and the vertical. d. the force that a exerts on b is 1/10 the force that b exerts on a.