4. A friend tosses a baseball out of his second-floor window with an initial velocity of 4.3 m/s [42 below the horizontal]. The ball starts from a height of 3.9 m, and you catch the ball 1.4 m above the ground. K/U T/ A (a) Calculate the time the ball is in the air. [ans: 0.48 s] (b) Determine your horizontal distance from the window. [ans: 1.5 m] (c) Calculate the speed of the ball as you catch it. [ans: 8.2 m/s]