A ball, thrown vertically upward, rises to a height of 80 m and returns to its original position. The magnitude of its displacement after 7 s of motion will be ____. (take g = 10 m/s2)

A ball, thrown vertically upward, rises to a height of 80 m and return

1.	A ball, thrown vertically upward, rises to a height of 80 m and returns to its original position. The magnitude of its displacement after 7 s of motion will be ____. (take g = 10 m/s2)
A.	35 m
B.	25 m
C.	45 m
D.	125 m
Answer» B. 25 m