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第八章 穿板(2 / 2)

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这几年她的身子虽已见大好,却到底比不得那些常年习武之人。

这一发下去,虽说不曾耗空她的力气,却也着实令她的半边身子都麻上了那么一息半瞬。

减震做的还不够,这东西的冲力比她想象中的还要大上不少,寻常人不经训练,许是玩不好它,并且,她这身子还是忒缺锻炼了些。

——明儿就跟着阿韵他们早起晨练去。

慕惜音低着脑袋咕哝一嘴,那边的慕修宁在看过靶子后,却是不受控地生出了一脑袋的冷汗。

“打……打穿了,阿姐,打穿了,而且是正中靶心!”红衣少年激动得嗷嗷扯开了嗓子,眸中也闪烁着说不清是喜悦还是畏惧的奇特光辉。

先前他也曾看见过神机营中的将士们使用火铳(参照古代火铳),可那东西又笨又重,需要两个人方能用得明白不说,准度也不是一般的差。

像这样二尺见方的木靶子,若换了那火铳来,莫说是正中靶心了,隔着这样的距离,能打在这靶板上内三环就已经算是不错了。

本小章还未完,请点击下一页继续阅读后面精彩内容!结果,阿姐改出来的火铳不但一发命中靶心,还把那靶子打穿了,甚至、甚至……

慕修宁摸着那孔洞下意识向后望去,目光却又在触及那草靶的一瞬骤然凝固,他不可置信地瞪大了眼睛,嘴巴一时僵着说不出来话。

“那后面那个草靶呢,草靶穿了没有?”胳膊缓过乏来的女人慢悠悠活动着手腕,漫不经心地扔出第二个问题。

这火器能打穿靶子浑然在她的意料之内,她更在意的是那草靶究竟穿了没有。

“穿、穿了。”慕修宁结巴着强行挤出一句话,简单的几个字却令他说了个口干舌燥,差点哑了嗓子,“草靶……草靶也穿了。”

“阿姐,那弹丸穿了草靶仍旧飞出去了好远,这会落在草靶后百余尺的地方!”

“好。”慕惜音颔首,片刻后挑眉指挥起慕修宁。

“阿宁,把这两个靶子向后各挪五十尺,放在百尺处。”

(注:以上数据均系作者估算的,查出来古代燧||发||枪后期上限差不多500-600j,枪口初速350m/s左右,穿25mm红松木板需要大概78j,阿姐的枪弱于后期强于前期,草靶理想化同等木靶,木靶厚33mm,靶心高约1.5m,取的大概是300m/s和400j,空阻风阻为估测,g=9.8,运动轨迹拟合三段抛物线,手动估算误差大,不过分离谱就行,凑合看)

前一千九百字写的非常快乐,写完穿草靶后突然觉得数据不对。

然后开始疯狂找数据查动能。

就差他妈的把阿姐用的那个弹丸质量给模拟了==

还好万能的度娘让我在角落里找到了燧|发|枪的动能,救我狗命。

不过这个算起来还是很麻,因为未知当日风阻和空气阻力,也不清楚穿板后是否有额外流失,所以按照数据拉到极值估算的,肯定不准确,凑合看着不离谱就行。

纯理想状态下穿66mm木板后大概还可以飞行90m上下,被我狠心噶掉了一半多,毕竟穿第二块板子的时候初速度已经是斜向下的。

没想过写文还会有一天回归物理大题的怀抱,我明明毕业许多年了!!

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