中視聶小倩線上看 , 聶小倩線上看第二集 , 聶小倩 中視 , 聶小倩電視劇 , 聶小倩

5. (C) c = d > a > b

在同一液體中，深度愈深，所受壓力愈大。
c 和 d 的深度最深，故所受壓力相等，且最大。
b 的深度最淺，故所受壓力最小。

*****
9. (C) 30

壓力 = 力/面積

當左右兩邊液面保持等高：
左邊液面所受壓力 = 右邊液面所受壓力
(1200 + 100) / 10 = (小孩重 + 100) / 1
小孩重 = 30 kgw

參考資料 胡雪

This entry passed through the Full-Text RSS service — if this is your content and you're reading it on someone else's site, please read the FAQ at fivefilters.org/content-only/faq.php#publishers. Five Filters recommends: 'You Say What You Like, Because They Like What You Say' - http://www.medialens.org/index.php/alerts/alert-archive/alerts-2013/731-you-say-what-you-like-because-they-like-what-you-say.html