. . . Question 3. 2.3.107 Hw Score: 4.55%, 0.5 of 11 points '"adrat'c APp'm'tm\"5 ' Part 1 of 2 ' 9 Points: 0.5 of 1 _ _ 02' ' ' A ball is thrown vertically upward from the top of a building 160 feet tall with an initial velocity of 48 feet per second. The distance 5 (In feet) of the ball from the ground a or: 1. 16 seconds is s(t)=160+4Bt-16t2. (a) After how many seconds does the ball strike the ground? _' (b) Alter how many seconds will the ball pass the top of the building on its way down? Docx (a) Alter D seconds the ball strikes the ground. . I A