Aball is dropped off the side of a bridge after falling 1.55 s , what is the initial velocity

most likely 0m/s bc it was dropped, so it had to be still before

Explanation:

there are no correct statementd on the list of choices you provided.

one "light year" is the distance that light travels, through vacuum, in one julian year.   that's 365.25 days, of 24 hours each.