单选题
把从静止开始做自由落体运动的物体通过的高度分成相等的三段,则经过这三段的时间比是( )
- A、<img src="//wximg.233.com/attached/image/20130108/20130108152338603860.gif" alt="" border="0" />
- B、<img src="//wximg.233.com/attached/image/20130108/2013010815230309309.gif" alt="" border="0" />
- C、<img src="//wximg.233.com/attached/image/20130108/20130108152316951695.gif" alt="" border="0" />
- D、<img src="//wximg.233.com/attached/image/20130108/20130108152361996199.gif" alt="" border="0" />
参考答案 D