Solve the Problem. -A Ball Is Thrown Vertically Upward from the Top of the Top

question 185

Multiple Choice

Solve the problem.
-A ball is thrown vertically upward from the top of a building 144 feet tall with an initial velocity of 128 feet per second. The distance s (in feet) of the ball from the ground after t seconds is s = 144 + 128t - 16t2. After how many seconds will the ball pass the top of the building on its way down?

• A)10 sec
• B)8 sec
• C)7 sec
• D)144 sec