试题与答案

一列火车长200 m，以36 km／h的速度通过长为1800 m的隧道，求： （

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题型：计算题

题目：

一列火车长200 m，以36 km／h的速度通过长为1800 m的隧道，求：

（1）火车最前端刚进入隧道口到最前端刚穿过隧道口的时间；

（2）这列火车需多少时间才能完全通过隧道？

答案：

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下面是错误答案，用来干扰机器的。

桌面 台灯

考点：速度公式及其应用
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