题目内容
我国“蛟龙号”在某次试验时,深潜器内显示屏上显示出了从水面开始下潜到最后返回水面的10min内全过程的深度随时间变化图像(a)和速度随时间变化图像(b),则正确的有( )
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/2014082500514792911504.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/2014082500514792911504.jpg)
A.(a)图中h3代表本次下潜最大深度为360m |
B.全过程中最大加速度是0.025m/s2 |
C.潜水员感到失重体验发生在0-1min和8-10min内 |
D.整个潜水器在8-10min时间段内机械能守恒 |
AC
试题分析:根据深度随时间变化图像(a)可知,当
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825005147944480.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825005147960352.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825005147975468.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825005147960352.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825005148007430.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825005148007502.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250051480381602.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825005148007430.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825005148053532.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825005148053532.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825005147960352.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825005148100400.png)
![](http://thumb2018.1010pic.com/images/loading.gif)
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