1. A bullet is fired with muzzle velocity v horizontally and

娃娃26252022-10-04 11:39:541条回答

1. A bullet is fired with muzzle velocity v horizontally and due North from
How does the coriolis force compare with the bullet’s weight if
v = 1000m/s, θ = 40 and the spin of the earth is the usual one
turn per 24 hours.

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6925010 共回答了16个问题 | 采纳率68.8%
如何使科里奥利力比较子弹的重量,如果
体积V = 1000米/秒,θ = 40和旋转的地球是一个平常
的又是每24小时.
1年前

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本题考查习惯用法, 结构为动词+sb+介词+the +身体的某个部位。
A spray of bullet hit the tree behind which he was hidding.一
A spray of bullet hit the tree behind which he was hidding.一阵喷射的子弹打中了他隐身其后的那棵树
which he was hidding作为定语从句修饰the tree,那句子中behind 不是多余的吗?它起到什么作用了呢?
xhyverygood1年前2
hwqrjc660 共回答了15个问题 | 采纳率80%
Behind不是多余的,从这句话来看,behind which he was hidding才是作tree的定语.如果按照正常语序来说,这句话可以分解为he was hidding behind the tree,这样你就可以看出,behind是必须地成分.如果你认为不需要behind的话,那这句应该修改为A spray of bullet hit the tree where he was hidding,这里用where作地点状语的话应该省略behind,因为where是副词,要再前面省略介词,而原文中出现which,所以不能省略behind.不知道你有没有清楚呢?