A ball is thrown up in the air and then caught at the same height. The acceleration is 9.8 m/s² [down]:

Question 14 options:

A)

on the way up

B)

on the way down

C)

at the peak of its trajectory

D)

two of A, B, and C are correct

E)

all of A, B, and C are correct

D) two of A, B, and C are correct. The acceleration is 9.8 m/s² downward on the way up and at the peak of its trajectory, and 9.8 m/s² downward on the way down.