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**** 作者被禁止或刪除 內容自動屏蔽 ****
[quote]Originally posted by [i]小小康[/i] at 2007-10-27 08:37 PM:
今日最終係咪去咗大埔呀:haha:? [/quote]
將軍O:P
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**** 作者被禁止或刪除 內容自動屏蔽 ****
[quote]Originally posted by [i]小小康[/i] at 2007-10-27 08:44 PM:
貝安琪:haha:? [/quote]
:dev:
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[quote]Originally posted by [i]d228216[/i] at 2007-10-27 08:56 PM:
:dev: [/quote]
老二！今日去左:photo:咩呀？:drool:
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[quote]Originally posted by [i]小小康[/i] at 2007-10-27 09:00 PM:
[url]http://www.26fun.com/bbs/viewthread.php?tid=162117&page=325#pid2390606[/url] [/quote]
:o:o唔o岩添:hitwall:
[quote]Originally posted by [i]d228216[/i] at 2007-10-27 20:33:
:love::love: 賓記R仔...野野過百:eek::eek::eek: [/quote]
百頭定百尾先？:confused:
如果百頭都合理，波記寶記都要喇~:agree:
[quote]Originally posted by [i]小小康[/i] at 2007-10-27 20:49:
:eek:呃POST呃得咁明顯:haha:
[url]http://www.26fun.com/bbs/viewthread.php?tid=154407&page=1#pid2390608[/url] [/quote]
佢-1 啦~:D
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一個質量為0.1kg的銅罐,內盛25度、質量為1.2kg的水。
若把一個質量為0.1kg,在焗爐中放置了一段長時間的銅塊,
急速投入水中,水溫會升高至45度 。設銅的比熱容量為400。
(a) 求水所獲得的能量?
唔識答 .................... :cry::cry::cry:
[quote]Originally posted by [i]CHECSS[/i] at 2007-10-27 09:27 PM:
一個質量為0.1kg的銅罐,內盛25度、質... [/quote]
唔係有公式直代嫁咩？
題目有無假設無heat loss to the surrounding先？
[quote]Originally posted by [i]自由神[/i] at 2007/10/27 21:31:
唔係有公式直代嫁咩？
題目有無假設無heat loss to the surrounding先？ [/quote]
無
我的方法>(1.2)(4200)(45-25) ................... 但唔知岩唔岩 :cry::cry::cry:
[[i] Last edited by CHECSS on 2007-10-27 at 09:36 PM [/i]]
[quote]Originally posted by [i]d228216[/i] at 2007/10/27 20:56:
:dev: [/quote]
:lol::lol::lol::kiss::kiss::kiss::clap::clap::clap:
[quote]Originally posted by [i]BOYDWAN[/i] at 2007/10/27 21:09:
佢-1 啦~:D [/quote]
:kiss::kiss::kiss:
.
...:dev:
[quote]Originally posted by [i]ckyckk[/i] at 2007/10/27 21:45:
.
... [/quote]
:gun::gun::gun::kiss::kiss::kiss::lol::lol::lol: