"放草吃牛" <[email protected]> 撰写... > Sorry for the inconvenience for not typing in Chinese... > What if considering the resistence of the air? The falling car should reach > its terminal velosity (this needs further calculation), and then falls at > constant velosity. > If the car on the groud can accelerate to a velosity larger than the terminal > velosity of the falling one, there is the possibility that the car on the > ground can pass through the location on time. 这当然也是一种说法 但是好像很赖皮 :) 而且如果是这样 那把高度拉的更高岂不是更耸动 :)