| 如果说立刃越高,弧形越小, 那可怜的苍蝇就会转的很小很快。。。 |
| Jluo 说了: it is just skiing. |
| 发这贴的楼主才是理科生,文科的都不会管什么半径的事。 |
| 看看机长的帖子吧。 |
| 受不了了, 空姐也是理科生啊, 我这看见希腊字母就头大 |
By geometry, this means that for no slipping, δ must be greater than or equal to 90—φ. |
|
jluo is sick, leave him alone, you guys can fight it out. ==> hint, skis are not flat |
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