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
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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
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
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
不是微积分.速度分解‘而已.看图.