[填空题]
A fugitive tries to hop qt wbp792x-c4qjxj 9do*t- pmon a f 9k:9qg; q-b :p p,anf:jwaerqreight train traveling at a constant speed of 6.0 m/s Just as an empty box car passes him, the fugitive starts from rest andwp;qj -q rpg: ,knfb :q:a9ea9 accelerates at $a\,=\,4.0 m/s^2$ to his maximum speed of 8.0 m/s
(a) How long does it take him to catch up to the empty box car? s
(b) What is the distance traveled to reach the box car? m
