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[難題解析]水平拋射與斜面

如右圖，以9.8 m/s的水平初速拋出之物體，飛行一段時間後，垂直撞上30o斜角之斜面上，則此段飛行時間為若干秒?

第2-3章 練習3-3

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Posted in 水平拋射, 難題解析.

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By 張慶堂 – 2018 年 11 月 01 日

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