半径为R的大圆盘以角速度ω旋转,如下图所示,有人来自站在盘边的P点上随盘转动,他想用枪击中盘中心的目标O,若子弹离**口的速度为V0,不计空气阻力,则( )A.枪应向PO的诗雨安拿拉影投初永抓左方偏过θ角射击,而sinθ=ωRV0B.枪应瞄准目标O射击.C.枪应向PO的右方偏过θ角射击,而cosθ=ωRV0D.枪应向PO
试题答案:子弹沿圆盘切线方向上的速度v1=Rω,经良初列笑按质子弹沿枪口方向上的速度为vo,根据平行四边形定则有:sinθ=Rωv0.所以v0的方向应瞄准PO的左方偏过θ角射击,...
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求《守护甜心》全部人物介绍~?
日文原名:《しゅごキャラ!》 中文译名:第一部:守护甜心! 第二部:守护甜心!心跳! 剧情简介:圣夜学园 的日奈森亚梦被谣传为十分厉害的小学生,所有人(包括她的亲人)都...
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守护甜心的配音人物*是谁?
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守护甜心人物介绍,内容介绍?
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急需守护甜心里的月咏几斗的大图和资料
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守护甜心几斗的性格。习惯。常用语是什么?喜欢干什么?
在百度百科里有:http://baike.baidu.com/view/1012464.htm?fr=ala0_试1_1月咏几斗(つきよみイクト)(TsukiyomiIk考雷ut...
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这人是什么动漫的人物
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守护甜心里面你们是喜欢唯世还是几斗?
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