Calculating a Car Crash - Numberphile
推荐理由
There's also a great video I stumbled across yesterday
说明
这是2018年由Numberphile发布的一部讲解,主题归在Fundamental physics。它讲的是kinetic energy and crashes这一支里的具体问题,而不是把整个领域扫一遍。适合按兴趣直接看、不打算先补课的人。内容上可以概括成:Numberphile's Ben Sparks works through the physics of a car crash, showing how kinetic energy grows with the square of speed and why stopping distance climbs so quickly as velocity increases.这些读者给出的理由,核心是:Used as a short explainer when people need to illustrate why speed matters so much in braking and crash severity.讲法不绑某一条新闻,过几年仍然可以当材料看。从2018年到2026年,有1位不同的读者在1个不同月份把它推荐出来,其中明确叫别人去看的有0次。适合用一集把一个概念补上的人。抓住它用的那个图像或类比,比背公式重要。如果已经会了基本定义,就把注意力放在它怎么把kinetic energy and crashes变成能跟着复述的例子。
视频信息
- 频道
- Numberphile
- 时长
- 8 分 25 秒
- 发布年份
- 2018
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