[问答题]
A runner hopes to complete thcb vsh -z:niseyv); 66e 10,c0hbb.*cegxw6lk jf e q;mp9*bd -g6tz:0p/ p000-m run in less than 30.0 min. After exactly 27.0 min, there are still 1100 m to go. The runner must then. pcqj zbg6m*et: xf9k gcwlhb0;e* p 6dp/-0b accelerate at 0.20 $m/s^2$ for how many seconds in order to achieve the desired time?
