A baseball leaves a pitcher's hand horizontally at a speed of 153 km/h. The distance to the batter is 18.3 m. (a) How long does the ball take to travel the first half of that distance? (b) The second half? (c ) How far does the ball fall freely during the first half? (d) During the second half? (e) Why aren't the quantities in ( c) and (d) equal?

Explanation

(a) 0.215 s, (b) 0.215 s, ( c) 0.227 m, (d) 0.681 m