[填空题]
A fugitive tries to hop on a freight train traveling at a conqcvm+ckd3j i,:y k-p-dh5 e7r o8+oahstant sp pr kmo4h99ey r a/l/cry7;bt)eed of 6.0 m/s Just as an empty box car passe4ca mrp)9tkoy9l7re/ b/; yhrs him, the fugitive starts from rest and 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