题目

The boy ran out of his money,so he had to walk to the hotel. A.ran away   B.got out of  C.lost     D.used up 答案：D飞机着陆后在跑道上做匀减速直线运动，已知初速度是200m/s，加速度大小是5m/s2，则飞机着陆后60秒内的位移大小是________m．