应该是微积分的题目吧a highway patrol airplane flies 3 mi above a level
来源:学生作业帮 编辑:百度作业网作业帮 分类:英语作业 时间:2024/06/18 00:03:26
应该是微积分的题目吧
a highway patrol airplane flies 3 mi above a level, straight road at a constant rate of 120mph. the pilot sees an oncoming car and with radar determines that at the instant the line-of-sight distance from plane to car is 5 mi the line-of-sight distance is decreasing at the rate of 160mph. find the car's speed along the highway
a highway patrol airplane flies 3 mi above a level, straight road at a constant rate of 120mph. the pilot sees an oncoming car and with radar determines that at the instant the line-of-sight distance from plane to car is 5 mi the line-of-sight distance is decreasing at the rate of 160mph. find the car's speed along the highway
![应该是微积分的题目吧a highway patrol airplane flies 3 mi above a level](/uploads/image/z/18252452-20-2.jpg?t=%E5%BA%94%E8%AF%A5%E6%98%AF%E5%BE%AE%E7%A7%AF%E5%88%86%E7%9A%84%E9%A2%98%E7%9B%AE%E5%90%A7a+highway+patrol+airplane+flies+3+mi+above+a+level)
不是微积分.速度分解‘而已.看图.
![](http://img.wesiedu.com/upload/b/1f/b1f79d42a85087b5a5b09c58ccd8edd0.jpg)
![](http://img.wesiedu.com/upload/b/1f/b1f79d42a85087b5a5b09c58ccd8edd0.jpg)
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