Title Text:With reasonable assumptions about latitude and body shape, how much time might she gain them? Note: whatever the answer, sunrise always comes too soon. (Also, is it worth it if she throws up?) Origin:https://xkcd.com/162/ https://www.explainxkcd.com/wiki/index.php/162:_Angular_Momentum 角动量 http://photo.renren.com/photo/231588361/album-247575300/v7#nogo 移动物体（如地球）具有动力。动量是物体的质量… Read…