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第四章的物体运动距离有点小疑问 #4

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hubutui opened this issue Jun 2, 2014 · 2 comments
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第四章的物体运动距离有点小疑问 #4

hubutui opened this issue Jun 2, 2014 · 2 comments

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@hubutui
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hubutui commented Jun 2, 2014

第四章练习2说的距离应该是水平距离吧,按照答案的公式dx=vx*t,就应该是的。但是题目没有说清楚。

@DeathKing
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@hot123tea123 原文是flying distances,并没有特别指明是水平距离。这里是一个忽略空气阻力的斜抛运动,抛点与落点的y坐标是一致的,位移只有水平位移。

斜抛运动

不过这里好像漏译了第五条要求。

@hubutui
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hubutui commented Jun 2, 2014

原来如此。了解。

@hubutui hubutui closed this as completed Jun 2, 2014
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