神马作文网英语翻译(a) an archer on ground that has a constant upward slope
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英语翻译
(a) an archer on ground that has a constant upward slope of 30 degree aims at a target 60 m farther up the incline.The arrow in the bow and the bull's eye at the center of the target are each 1.50m above the ground.The initial velocity of the arrow just after it leaves the bow has magnitude 32m/s.At what angle above the horizontal should the archer aim to hit the bull's eye?You might have to solve the equation for the angle by iteration-that is.by trial and error.How does the angle compare to that required when the ground is level,with 0 slope?(b) Repeat the problem for ground that has a constant downward slope of 30 degree.
(a) an archer on ground that has a constant upward slope of 30 degree aims at a target 60 m farther up the incline.The arrow in the bow and the bull's eye at the center of the target are each 1.50m above the ground.The initial velocity of the arrow just after it leaves the bow has magnitude 32m/s.At what angle above the horizontal should the archer aim to hit the bull's eye?You might have to solve the equation for the angle by iteration-that is.by trial and error.How does the angle compare to that required when the ground is level,with 0 slope?(b) Repeat the problem for ground that has a constant downward slope of 30 degree.
地面上有一个30度的恒定上升斜率瞄准目标60米更远的倾斜一个弓箭手.箭的弓和公牛的眼睛在中心的目标是在地面以上各1.50m.箭的初速刚刚离开后弓大小32M \ /秒在什么角度以上的水平应该射手目的射中靶心?你可能会解决由迭代是角方程.通过试验和错误.如何比较的角度时所需要的地面是水平的,0坡?（b）的地面,有一个30度的恒定的向下的斜坡重复问题.
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