题目:
一列火车以0.25m/s2的加速度由静止开始运动,经过1min的时间,这时火车的速度为多大,走过的路程是多少?
答案:
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Found:I found a wallet on the playground on June 5th, 2011. There is 100 yuan and a mobile phone in it. I hope the loser will come to my classroom to take it back. Lin Hao, Class Six, Grade Nine 略