1 . 函数
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f46db9383bbe209ae9ead101a42e6569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/427c7d45f28e6efae087669055b4658d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2a2a540400311fff2fb2c8ed098e82d.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7a45190981deec3afa7fa82e93f8004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2a2a540400311fff2fb2c8ed098e82d.png)
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3 . 已知函数
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27b1d897bf1170f96cac0c36823a512a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61b2d9f096d36bdf71e6f64eea70f0d3.png)
A.![]() | B.![]() | C.2 | D.![]() |
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4 . 一木块沿某一斜面自由下滑,测得下滑的水平距离
(m)与时间
(s)之间的函数关系式为
,则
时,此木块在水平方向的瞬时速度为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5873c01192b7d33b7483f444f90b5b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/333cdd36dc127eab88adff0aaaf63117.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66884efff7400f92b530d69d029778d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 已知
是定义在
上的可导函数,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c519456f652f00e8ed4bacabc7d57893.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7da3a6d011679952771607b3a166676b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/137ad18330b4907ba189474a28e2d5e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c519456f652f00e8ed4bacabc7d57893.png)
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6 . 定义在
上的函数
有
,则
的单调增区间是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dcd18de56ce1be490472261062a9741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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7 . 一辆汽车在公路上沿直线变速行驶,假设
时汽车的速度(单位:
)为
,则汽车在第
时的瞬时加速度为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c1a48b92c61d209d0556e4cd8fdb70b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53afeaf21f93091b71608d21540be239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f44e533016c8d684e6c692c14afe803.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4c1f9c14db1a10006f079739ffa690d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 在高台跳水运动中,某运动员在
(单位:秒)时的重心相对于水面的高度
(单位:米)满足关系式
,当
时,
的平均变化率是
米/秒,则当
时
的瞬时变化率是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efab745953d01c049def56784116346e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/315a7c9116c9e068f6ec86308f2edbbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32e22e1223baf7cb3d53e668c2449609.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66884efff7400f92b530d69d029778d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
A.![]() | B.15米/秒 | C.![]() | D.25米/秒 |
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9 . 一个质量为4kg的物体做直线运动,该物体的位移y(单位:m)与时间t(单位:s)之间的关系为
,且
(
表示物体的动能,单位:J;m表示物体的质量,单位:kg;v表示物体的瞬时速度,单位:m/s),则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3316d1026d7da6206c5501df825d05ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/750cc462b426e796fc6266149689bf08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef1c7229e345be3a4857b91d27126c88.png)
A.该物体瞬时速度的最小值为1m/s | B.该物体瞬时速度的最小值为2m/s |
C.该物体在第1s时的动能为16J | D.该物体在第1s时的动能为8J |
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10 . 某酒杯上半部分的形状为倒立的圆锥,杯深
,上口宽
,若以
的匀速往杯中注水,当时间为
时,酒杯中水升高的瞬时变化率是______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80b1fe1b971b780e443a9b13621611c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dd6f4250ca6b1b9bce234a01f00d44d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b5b538e847547bbb9e29ecc89800193.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15b7a662db44251ff09d2bc4cd5574bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d1461f3b7f2a8a65097c8de1dcbfc7.png)
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