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      <title>Ôn tập KT giữa kì 8A7 by Nguyễn Trúc Vy</title>
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      <pubDate>2021-11-10 00:58:32 UTC</pubDate>
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         <title>Họ tên, STT,  Bài 1</title>
         <author>rupinguyen98</author>
         <link>https://padlet.com/rupinguyen98/boc0rcw40gs0m8v5/wish/1879853243</link>
         <description><![CDATA[<div>Hình chụp bài làm</div>]]></description>
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         <pubDate>2021-11-10 00:58:32 UTC</pubDate>
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      <item>
         <title>Họ tên, STT, Bài 2</title>
         <author>rupinguyen98</author>
         <link>https://padlet.com/rupinguyen98/boc0rcw40gs0m8v5/wish/1879853246</link>
         <description><![CDATA[<div>Hình chụp bài làm</div>]]></description>
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         <pubDate>2021-11-10 00:58:32 UTC</pubDate>
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      </item>
      <item>
         <title>Huỳnh Nguyễn Bảo Trân_32_Bài 1</title>
         <author></author>
         <link>https://padlet.com/rupinguyen98/boc0rcw40gs0m8v5/wish/1880711768</link>
         <description><![CDATA[<div>Áp lực là lực ép có phương vuông góc với bề mặt bị ép. Tác dụng của áp lực phụ thuộc vào diện tích tiếp xúc, độ lớn áp lực.</div>]]></description>
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         <pubDate>2021-11-10 08:40:23 UTC</pubDate>
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      <item>
         <title>Nguyễn Trần Ánh Dương 06 bài 2</title>
         <author></author>
         <link>https://padlet.com/rupinguyen98/boc0rcw40gs0m8v5/wish/1880715345</link>
         <description><![CDATA[<div>áp suất được tính bằng độ lớn của áp lực lên 1 đơn vị diện tích bị ép<br>công thức tính p=F:S&nbsp;<br>F là độ lớn áp lực(N)<br>S là diện tích bị ép(m2)<br>p là áp suất</div>]]></description>
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         <pubDate>2021-11-10 08:42:27 UTC</pubDate>
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      <item>
         <title>Huỳnh Nguyễn Bảo Trân_32_Bài 2</title>
         <author></author>
         <link>https://padlet.com/rupinguyen98/boc0rcw40gs0m8v5/wish/1880716205</link>
         <description><![CDATA[<div>Áp suất là độ lớn của áp lực lên một đơn vị diện tích bị ép.&nbsp;</div><div>Công thức: p=F/s trong đó F là độ lớn áp lực (N), S là diện tích bị ép (m2), p là áp suất</div>]]></description>
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         <pubDate>2021-11-10 08:42:58 UTC</pubDate>
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      <item>
         <title>Huỳnh Nguyễn Bảo Trân_32_Bài 4</title>
         <author></author>
         <link>https://padlet.com/rupinguyen98/boc0rcw40gs0m8v5/wish/1880722507</link>
         <description><![CDATA[<div>Chất lỏng trong bình chứa gây ra áp suất lên thành bình, đáy bình và mọi vật nhúng trong nó.</div><div>Có phương vuông góc với mặt tiếp xúc.</div><div>Có chiều tùy thuộc theo vật được tác dụng&nbsp;</div><div>Công thức: p=d.h trong đó p là áp suất chất lỏng (N/m2), d là trọng lượng riêng (N/m3), h là độ sâu so với mặt thoáng (m)</div>]]></description>
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         <pubDate>2021-11-10 08:46:32 UTC</pubDate>
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      <item>
         <title>Phạm Long 21</title>
         <author></author>
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         <description><![CDATA[<div>bài 1<br><br></div>]]></description>
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         <pubDate>2021-11-10 08:47:31 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/rupinguyen98/boc0rcw40gs0m8v5/wish/1880724223</link>
         <description><![CDATA[<div>Phùng&nbsp;Tú Anh_04_bài 1,2,3</div>]]></description>
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         <pubDate>2021-11-10 08:47:33 UTC</pubDate>
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      <item>
         <title>Phan Ngọc Thiên Lam_19_Bài 9</title>
         <author></author>
         <link>https://padlet.com/rupinguyen98/boc0rcw40gs0m8v5/wish/1880725104</link>
         <description><![CDATA[<div>Càng lên cao thì áp suất không khí càng giảm nên khi máy bay cất cánh hoặc hạ cánh, áp suất không khí trong máy bay thay đổi. Do đó, có sự khác nhau giữa áp suất không khí bên ngoài màng nhĩ và bên trong màng nhĩ. Sự chệnh lệch nà tạo ra 1 áp lực lên màng nhĩ làm cho tai bị ù và đau tai</div>]]></description>
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         <pubDate>2021-11-10 08:47:47 UTC</pubDate>
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      <item>
         <title>phạm long 21</title>
         <author></author>
         <link>https://padlet.com/rupinguyen98/boc0rcw40gs0m8v5/wish/1880725303</link>
         <description><![CDATA[<div>bài 2 và 3</div>]]></description>
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         <pubDate>2021-11-10 08:47:55 UTC</pubDate>
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      <item>
         <title>Nguyễn Vy Anh_03_Bài1,2,3</title>
         <author>ayunth</author>
         <link>https://padlet.com/rupinguyen98/boc0rcw40gs0m8v5/wish/1880726532</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-11-10 08:48:37 UTC</pubDate>
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      <item>
         <title>Huỳnh Nguyễn Bảo Trân_32_Bài 5</title>
         <author></author>
         <link>https://padlet.com/rupinguyen98/boc0rcw40gs0m8v5/wish/1880728986</link>
         <description><![CDATA[<div>Trọng lượng riêng là trọng lượng của một đơn vị thể tích nào đó.</div><div>Ký hiệu : d</div><div>Đơn vị : N/m3</div><div>Công thức : d=P/v</div>]]></description>
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         <pubDate>2021-11-10 08:49:58 UTC</pubDate>
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      <item>
         <title>Nguyễn Trần Ánh Dương 06 bài 6</title>
         <author></author>
         <link>https://padlet.com/rupinguyen98/boc0rcw40gs0m8v5/wish/1880729960</link>
         <description><![CDATA[<div>bình thông nhau là bình gồm 2 hoặc nhiều nhánh có hình dạng bất kì, phần miệng thông với không khí, phần đáy được nối thông nhau<br>nguyên lý: chất lỏng chứa đầy một bình kín có khả năng truyền nguyên vẹn độ tăng áp suất đến mọi nơi của chất lỏng<br>F2=F1.S2/S1 hay F2/F1= S2/S1<br>khi S2 lớn hơn S1 bao nhiêu độ lớn F2 cũng lớn hơn F1 bấy nhiêu lần</div>]]></description>
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         <pubDate>2021-11-10 08:50:29 UTC</pubDate>
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      <item>
         <title>Huỳnh Nguyễn Bảo Trân_32_Bài 8</title>
         <author></author>
         <link>https://padlet.com/rupinguyen98/boc0rcw40gs0m8v5/wish/1880732381</link>
         <description><![CDATA[<div>1 atm= 760mmHg</div>]]></description>
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         <pubDate>2021-11-10 08:51:49 UTC</pubDate>
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      <item>
         <title>Huỳnh Nguyễn Bảo Trân_32_Bài 9</title>
         <author></author>
         <link>https://padlet.com/rupinguyen98/boc0rcw40gs0m8v5/wish/1880735044</link>
         <description><![CDATA[<div>Càng lên cao không khí càng loãng nên áp suất khí quyển càng giảm</div>]]></description>
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         <pubDate>2021-11-10 08:53:07 UTC</pubDate>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/rupinguyen98/boc0rcw40gs0m8v5/wish/1880739262</link>
         <description><![CDATA[<div>Phùng&nbsp;Tú Anh bài 123</div>]]></description>
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         <pubDate>2021-11-10 08:55:28 UTC</pubDate>
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      <item>
         <title>Phan Ngọc Thiên Lam_19_Bài 10</title>
         <author></author>
         <link>https://padlet.com/rupinguyen98/boc0rcw40gs0m8v5/wish/1880740364</link>
         <description><![CDATA[<div>a) Áp suất khí quyển ở Đà Lạt:<br>760 - (1500 : 12,5) = 640 mmHg<br>b) Áp suất chất lỏng:<br>p = d.h = 10 300 . 450 = 4 635 000 (Pa)<br>Áp suất mà tàu ngầm lặn phải chịu:<br>p = pKQ + pCL = 101 325 + 4 635 000 = 4 736 325 (Pa)</div>]]></description>
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         <pubDate>2021-11-10 08:55:57 UTC</pubDate>
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      <item>
         <title>Huỳnh Nguyễn Bảo Trân_32_Bài 7</title>
         <author></author>
         <link>https://padlet.com/rupinguyen98/boc0rcw40gs0m8v5/wish/1880742904</link>
         <description><![CDATA[<div>Các ấm pha trà thường có 1 lỗ nhỏ trên nắp để thông với không khí, vì áp suất khí trong ấm cộng với áp suất nước lớn hơn áp suất khí quyển, như vậy sẽ rót nước dễ hơn.</div>]]></description>
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         <pubDate>2021-11-10 08:57:19 UTC</pubDate>
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      <item>
         <title>Nguyễn Trần Ánh Dương 06 bài 4</title>
         <author></author>
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         <pubDate>2021-11-10 09:01:37 UTC</pubDate>
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      <item>
         <title>Nguyễn Vy Anh_03_Bài 4,5,6</title>
         <author>ayunth</author>
         <link>https://padlet.com/rupinguyen98/boc0rcw40gs0m8v5/wish/1880757175</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-11-10 09:05:33 UTC</pubDate>
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      <item>
         <title>Phan Ngọc Thiên Lam_19_Bài 8</title>
         <author></author>
         <link>https://padlet.com/rupinguyen98/boc0rcw40gs0m8v5/wish/1880757608</link>
         <description><![CDATA[<div>Đổi: 54kg = 540 N; 30 cm^2 = 0,003 m^2<br>Áp suất của chiếc xe tăng lên mặt đường:<br>p = F/s = 38 000/ 4,2 = 9047, 6 (N/m^2)<br>Áp suất của người phụ nữ lên mặt đường:<br>p = F/s = 540 / 0,003 = 180 000 (N/m^2)<br>Vì 9047,6 N/m^2 &lt; 180 000 N/m^2&nbsp;<br>Nên áp suất của xe tăng lên mặt đường nhỏ hơn áp suất người phụ nữ lên mặt đường</div>]]></description>
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         <pubDate>2021-11-10 09:05:48 UTC</pubDate>
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         <title>phạm Long 21</title>
         <author></author>
         <link>https://padlet.com/rupinguyen98/boc0rcw40gs0m8v5/wish/1880767458</link>
         <description><![CDATA[<div>bài 4</div>]]></description>
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         <pubDate>2021-11-10 09:11:25 UTC</pubDate>
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         <title>phạm long 21</title>
         <author></author>
         <link>https://padlet.com/rupinguyen98/boc0rcw40gs0m8v5/wish/1880768493</link>
         <description><![CDATA[<div>bài 5</div>]]></description>
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         <pubDate>2021-11-10 09:11:59 UTC</pubDate>
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         <title>phạm Long21</title>
         <author></author>
         <link>https://padlet.com/rupinguyen98/boc0rcw40gs0m8v5/wish/1880769176</link>
         <description><![CDATA[<div>bài 6</div>]]></description>
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         <pubDate>2021-11-10 09:12:21 UTC</pubDate>
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      <item>
         <title>Hà Anh</title>
         <author>lengochaanh2008</author>
         <link>https://padlet.com/rupinguyen98/boc0rcw40gs0m8v5/wish/1880770793</link>
         <description><![CDATA[]]></description>
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         <pubDate>2021-11-10 09:13:18 UTC</pubDate>
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         <title>Nguyễn Vy Anh_03_ Bài 7,8,9</title>
         <author>ayunth</author>
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         <pubDate>2021-11-10 09:13:57 UTC</pubDate>
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      <item>
         <title>hà anh</title>
         <author>lengochaanh2008</author>
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         <pubDate>2021-11-10 09:13:57 UTC</pubDate>
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      <item>
         <title>hà anh</title>
         <author>lengochaanh2008</author>
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         <pubDate>2021-11-10 09:14:39 UTC</pubDate>
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      <item>
         <title>ha anh</title>
         <author>lengochaanh2008</author>
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         <description><![CDATA[]]></description>
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         <pubDate>2021-11-10 09:15:26 UTC</pubDate>
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      <item>
         <title>Huỳnh Nguyễn Bảo Trân_32_Bài 6</title>
         <author></author>
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         <pubDate>2021-11-10 09:16:20 UTC</pubDate>
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         <title>Phạm Long 21</title>
         <author></author>
         <link>https://padlet.com/rupinguyen98/boc0rcw40gs0m8v5/wish/1880792336</link>
         <description><![CDATA[<div>bài 7</div>]]></description>
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         <pubDate>2021-11-10 09:25:04 UTC</pubDate>
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      <item>
         <title>bài 8</title>
         <author></author>
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         <pubDate>2021-11-10 09:25:18 UTC</pubDate>
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      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/rupinguyen98/boc0rcw40gs0m8v5/wish/1880794485</link>
         <description><![CDATA[<div>bÀI&nbsp;6 TÚU ANH</div>]]></description>
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         <pubDate>2021-11-10 09:26:12 UTC</pubDate>
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      </item>
      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/rupinguyen98/boc0rcw40gs0m8v5/wish/1880794889</link>
         <description><![CDATA[<div>Bài&nbsp;4,5 tú anh</div>]]></description>
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         <pubDate>2021-11-10 09:26:26 UTC</pubDate>
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      <item>
         <title>Tú Anh bài 7,8</title>
         <author></author>
         <link>https://padlet.com/rupinguyen98/boc0rcw40gs0m8v5/wish/1880804173</link>
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         <pubDate>2021-11-10 09:31:24 UTC</pubDate>
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      </item>
      <item>
         <title>Tú ANh_Bài sửa 7</title>
         <author></author>
         <link>https://padlet.com/rupinguyen98/boc0rcw40gs0m8v5/wish/1880820582</link>
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         <pubDate>2021-11-10 09:40:28 UTC</pubDate>
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      <item>
         <title>Tú Anh bài 9,10</title>
         <author></author>
         <link>https://padlet.com/rupinguyen98/boc0rcw40gs0m8v5/wish/1880826922</link>
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         <pubDate>2021-11-10 09:44:01 UTC</pubDate>
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      <item>
         <title>Bài 9 tú anh</title>
         <author></author>
         <link>https://padlet.com/rupinguyen98/boc0rcw40gs0m8v5/wish/1880832025</link>
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         <pubDate>2021-11-10 09:46:59 UTC</pubDate>
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      <item>
         <title>Bài sửa câu 2:</title>
         <author>vynt</author>
         <link>https://padlet.com/rupinguyen98/boc0rcw40gs0m8v5/wish/1890489367</link>
         <description><![CDATA[<div>Gọi P là trọng lượng của người, P' là trọng lượng của tạ, S là diện tích tiếp xúc của 2 bàn chân.<br>p(a) là áp suất ở câu a, p(b) là áp suất ở câu b, p(c) là áp suất ở câu c, p(d) là áp suất ở câu d.</div>]]></description>
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         <pubDate>2021-11-15 06:18:35 UTC</pubDate>
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