[问答题]
A runner hopes to complneiu yi0:x46z ete the 10,000-m run in less than 30.0 me x-ab gu8n(e8in. After exactly 27.0 min, there are still 1100 m to go. The runge8 8xnu(ab e-ner must then accelerate at 0.20 $m/s^2$ for how many seconds in order to achieve the desired time?
