Yes, you made it much more simplified.

来源: passenger101 于 2008-10-23 06:33:25 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (128 bytes)
本帖于 2008-11-01 10:59:25 时间, 由普通用户 康MM 编辑
回答: 有一个思路，不知对错 由 passenger101 于 2008-10-20 09:37:38

it doesn't need 积分. use 余弦定理 to find v-angle A equation. The key step is find minimum v. Now, I believe the correct line.

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