tag:blogger.com,1999:blog-4010478591191633760.post4146483269642232759..comments2024-03-22T08:04:05.869-07:00Comments on 魚之樂: 伽利略死不瞑目Unknownnoreply@blogger.comBlogger10125tag:blogger.com,1999:blog-4010478591191633760.post-42789479343711654132011-09-25T00:30:13.107-07:002011-09-25T00:30:13.107-07:00Wong,
I know people have left here already. But.....Wong,<br /><br />I know people have left here already. But...<br />伽利略那個論證 has a fault. Scientists (too stupid to figure out the fault or not; believe 伽利略 or not) still need to do experiments to verify. --zpdrmnAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-4010478591191633760.post-86776619959680999562010-09-26T03:49:54.636-07:002010-09-26T03:49:54.636-07:00哦, 原來係咁.哦, 原來係咁.drahttp://xinhunshaofu.wordpress.comnoreply@blogger.comtag:blogger.com,1999:blog-4010478591191633760.post-59760971550804112242010-09-24T08:15:38.248-07:002010-09-24T08:15:38.248-07:00dra,
你看來是混淆了解釋(explanation)和論證(argument)。伽利略那個是哲學...dra,<br /><br />你看來是混淆了解釋(explanation)和論證(argument)。伽利略那個是哲學論證,只能證明亞里士多德是錯的,不能解釋為何輕重物會同時著地。你朋友提出的那個是物理學解釋,不是個論證。W. Wonghttps://www.blogger.com/profile/07161244576570372004noreply@blogger.comtag:blogger.com,1999:blog-4010478591191633760.post-16667980630470096992010-09-24T04:42:47.583-07:002010-09-24T04:42:47.583-07:00一點補充:
前天吃formal dinner 坐我旁邊的朋友是一名physics research ...一點補充:<br />前天吃formal dinner 坐我旁邊的朋友是一名physics research fellow, 我問他關於這事, 他說:伽利略的結論是對的, 但卻不是因為以下的推論:<br />"B比A下墜得較慢,現在將A和B連在一起(而形成C),A和B便有互動作用,令A下墜的速度被B拉慢了一點,因此,C(即A加B)下墜的速度會比A慢。同一理論支持兩個相反的結論,那還會是一個可接受的理論嗎?"<br />而是因為mass(物件重量譆造成阻力) 同aceleration(因重量不同加速快慢不同)會互相set off, so地心吸力變成唯一的決定力量, 而地心吸力是不變的, that"s why.<br />(希望我無理解錯, 因為我physics只讀到f3)drahttp://xinhunshaofu.wordpress.comnoreply@blogger.comtag:blogger.com,1999:blog-4010478591191633760.post-37800618397221439692010-09-19T09:30:59.796-07:002010-09-19T09:30:59.796-07:00匿名,
//關於相互作用減慢速度,感覺好像有點詭辯//
- 如果你想像輕重兩物體先各自下墜,而且...匿名,<br /><br />//關於相互作用減慢速度,感覺好像有點詭辯//<br /><br />- 如果你想像輕重兩物體先各自下墜,而且重物下墜較快,再想像神突然變一條鍊繫住它們,你不認為在你的想像裏重物下墜的速度會因而被輕物拖慢了一點?W. Wonghttps://www.blogger.com/profile/07161244576570372004noreply@blogger.comtag:blogger.com,1999:blog-4010478591191633760.post-64923454941545538502010-09-19T09:24:17.139-07:002010-09-19T09:24:17.139-07:00糖坊,
你老師那實驗我也見過,的確簡單有效。糖坊,<br /><br />你老師那實驗我也見過,的確簡單有效。W. Wonghttps://www.blogger.com/profile/07161244576570372004noreply@blogger.comtag:blogger.com,1999:blog-4010478591191633760.post-59219399142274907902010-09-19T06:46:45.698-07:002010-09-19T06:46:45.698-07:00關於相互作用減慢速度,感覺好像有點詭辯關於相互作用減慢速度,感覺好像有點詭辯Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-4010478591191633760.post-77589546097259044522010-09-19T02:20:21.126-07:002010-09-19T02:20:21.126-07:00條友好搞笑呀,咁都可以做實驗.我以前physics 阿sir就簡單d.
佢首先,將一本書同一張紙一齊...條友好搞笑呀,咁都可以做實驗.我以前physics 阿sir就簡單d.<br />佢首先,將一本書同一張紙一齊放手,因為空氣阻力,當然係書先著地.同學都覺得正常.<br />跟住佢雙手拎住本書,書下面有張紙,然後放手..同學就話,因為書壓住張紙,所以一齊著地..<br />最後佢拎住本書,書皮上放住張白紙,然後放手..只見書同白紙一齊同速降落..阿sir話,你地無聲出啦.糖坊https://www.blogger.com/profile/12490478269430504412noreply@blogger.comtag:blogger.com,1999:blog-4010478591191633760.post-6154527713035690802010-09-19T00:30:43.826-07:002010-09-19T00:30:43.826-07:00CYC,
但係我要多謝佢地。CYC,<br /><br />但係我要多謝佢地。W. Wonghttps://www.blogger.com/profile/07161244576570372004noreply@blogger.comtag:blogger.com,1999:blog-4010478591191633760.post-2230329518280443982010-09-19T00:28:41.503-07:002010-09-19T00:28:41.503-07:00搞呢個video班人真係好得閒……搞呢個video班人真係好得閒……CYCnoreply@blogger.com