College Physics with MasteringPhysics 7th Edition by Jerry Wilson,Anthony Buffa,Bo Lou

تمرين 54

A pitcher throws a fastball horizontally at a speed of 140 km/h toward home plate, 18.4 m away. (a) If tire batter's combined reaction and swing times total 0.350 s, how long can the batter watch the ball after it has left the pitcher's hand before swinging (b) In traveling to tire plate, how far does tire ball drop from its original horizontal line