曲臂使啞鈴越靠近轉軸移動,人轉得越快。北半球向北流的河,河越流得越靠近地軸,水越要隨地球轉得越快。轉得快就是衝刷右岸。
曲臂使啞鈴越靠近轉軸移動,人轉得越快。北半球向北流的河,河越流得越靠近地軸,水越要隨地球轉得越快。轉得快就是衝刷右岸。
• 這個中學物理知識,你沒有理解透 -TBz- ♂ (0 bytes) () 10/12/2011 postreply 16:45:26
• 其實用角動量守恒的原理來解釋河流衝刷右岸的現象是很簡單方便的 -TBz- ♂ (0 bytes) () 10/12/2011 postreply 20:04:05
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