A 200 g baseball travelling at 40 m/s is hit by a bat. It travels straight back at the pitcher at a speed of 50 m/s. If the bat is in contact with the ball for 10 ms, what average force does it exert on the ball?
(a) 2.0×10² N
(b) 9.0×10² N
(c) 1.8×10³ N
(d) 2.0×10⁵ N
(e) 1.8×10⁶ N
(a) 2.0×10² N
(b) 9.0×10² N
(c) 1.8×10³ N
(d) 2.0×10⁵ N
(e) 1.8×10⁶ N