[问答题]
Sketch the free-body diagram37q2fb + pdapskm-z/gfagif ;gi-c47 o;r.xgj kn.y ofk9q*(s2xw pd:f a baseball (a) at the moment it is hit by the bat, and again (b) after it has left xxk. (rg:pk *os;w.nfy29dq jthe bat and is flying toward the outfield.
