A baseball catcher throws a ball vertically upward and catches it in the same spot when it returns to his mitt. At what point in the ball's path does it experience zero velocity and non-zero acceleration at the same time?

it doesn't. it was imagined up in the middle ages.

c because the news are a source of information of things that happen on the daily and shows evidence about that particular topic

the answer is c. the lower legs are levers, and the knees are fulcrums. the ankles hold the loads.