An elevator starts from rest and moves upward, accelerating at a rate of 1.2 m/s² until it reaches a speed of 7.8 m/s, which it then maintains. Two seconds after the elevator begins to move, a man standing 12 m above the initial position of the top of the elevator throws a ball upward with an initial velocity of 20 m/s. Determine when the ball will hit the elevator.

Transcribed Image Text:

12 m