1mm高的水银柱产生的压强为 （1）托里拆利实验测出了当时的大气压是______mm高水银...
1\u4e2a\u6807\u51c6\u5927\u6c14\u538b\uff08atm\uff09\u7b49\u4e8e______\u9ad8\u7684\u6c34\u94f6\u67f1\u6240\u4ea7\u751f\u7684\u538b\u5f3a\uff0c\u5373\uff081atm\uff09=______mmHg=______Pa1\u4e2a\u6807\u51c6\u5927\u6c14\u538b\uff08atm\uff09\u7b49\u4e8e760mm\u9ad8\u7684\u6c34\u94f6\u67f1\u6240\u4ea7\u751f\u7684\u538b\u5f3a\uff0c\u5373\uff081atm\uff09=760mmHg=1.013\u00d7105Pa\uff0e\u6545\u7b54\u6848\u4e3a\uff1a760mm\uff1b760\uff1b1.013\u00d7105\uff0e
\uff081\uff09\u6258\u91cc\u62c6\u5229\u6700\u5148\u901a\u8fc7\u5b9e\u9a8c\u7684\u65b9\u6cd5\u6d4b\u91cf\u4e86\u5927\u6c14\u538b\u7684\u6570\u503c\uff0c\u5728\u6258\u91cc\u62c6\u5229\u5b9e\u9a8c\u4e2d\uff0c\u4e00\u4e2a\u6807\u51c6\u5927\u6c14\u538b\u53ef\u4ee5\u652f\u6301\u8d77760mm\u7684\u6c34\u94f6\u67f1\uff0c\u53ef\u7b97\u51fa1\u4e2a\u6807\u51c6\u5927\u6c14\u538b\u7684\u503c\uff1aP\u5927\u6c14=P\u6c34\u94f6=\u03c1\u6c34\u94f6gh=13.6\u00d7103kg/m3\u00d79.8N/kg\u00d70.76m=1.013\u00d7105Pa\uff0e1\u6807\u51c6\u5927\u6c14\u538b\u80fd\u591f\u652f\u6301\u7684\u6c34\u67f1\uff1ah=p\u03c1\u6c34g=1.013\u00d7105pa1\u00d7103kg/m3\u00d79.8N/kg=10.34m\uff082\uff09\u7a7a\u6c14\u6d41\u901f\u8d8a\u5927\u7684\u4f4d\u7f6e\uff0c\u538b\u5f3a\u8d8a\u5c0f\uff0c\u56e0\u6b64\uff0c\u5217\u8f66\u8fdb\u7ad9\u65f6\uff0c\u9644\u8fd1\u6c14\u6d41\u6d41\u901f\u5feb\uff0c\u538b\u5f3a\u5c0f\uff0c\u4eba\u9760\u8fd1\u4e86\u4f1a\u53d1\u751f\u5371\u9669\uff0e\uff083\uff09\u2460\u8bfb\u56fe\u53ef\u77e5\uff0c\u7532\u8dd1\u7684\u901f\u5ea6\u5c0f\u4e8e\u4e59\uff0c\u5728\u8d28\u91cf\u76f8\u540c\u7684\u60c5\u51b5\u4e0b\uff0c\u7532\u7684\u52a8\u80fd\u5c0f\u4e8e\u4e59\u7684\u52a8\u80fd\uff1b\u2461\u7532\u7684\u901f\u5ea6\u5c0f\u4e8e\u4e59\uff0c\u4ed6\u4eec\u4e00\u8d77\u5411\u5317\u505a\u5300\u901f\u76f4\u7ebf\u8fd0\u52a8\uff0c\u56e0\u6b64\u7532\u76f8\u5bf9\u4e8e\u4e59\u662f\u5411\u5357\u8fd0\u52a8\uff1b\u2462\u8dd1\u5230\u7ec8\u70b9\u65f6\uff0c\u7532\u4e0d\u80fd\u9a6c\u4e0a\u505c\u4e0b\u6765\uff0c\u662f\u56e0\u4e3a\u7532\u5177\u6709\u60ef\u6027\uff0c\u4ecd\u8981\u4fdd\u6301\u539f\u6765\u7684\u8fd0\u52a8\u72b6\u6001\uff0c\u5411\u524d\u8fd0\u52a8\u4e00\u6bb5\u8ddd\u79bb\uff0e\u6545\u7b54\u6848\u4e3a\uff1a\uff081\uff09760\uff1b1.013\u00d7105\uff1b10.34\uff1b\uff082\uff09\u538b\u5f3a\uff1b\uff083\uff09\u5c0f\u4e8e\uff1b\u5357\uff1b\u7532\u5177\u6709\u60ef\u6027\uff0e
（1）1mm高的水银柱产生的压强：p1=ρgh=13.6×103kg/m3×10N/kg×1×10-3m=136Pa；
（2）某人血压的舒张压：
p2=ρgh=13.6×103kg/m3×10N/kg×90×10-3m=1.224×104Pa．
故答案为：136；1.224×104．
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绛旓細姘斿帇绾﹂檷浣133甯曪紙1mm姘撮摱鏌
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绛旓細鏌愬悓瀛﹀仛鎵橀噷鎷嗗埄瀹為獙锛屾祴寰楃幓鐠冪鍐姘撮摱鏌姣旀Ы鍐呮按閾堕潰楂樺嚭76cm锛屼笅闈㈢殑鍝簺鎺柦鍙互浣胯繖涓珮搴﹀樊鏀瑰彉锛歔D.鎶婂疄楠岀Щ鍒伴珮灞变笂鍘诲仛 ]A.寰妲藉唴鍔犲叆灏戣姘撮摱 B.浣跨幓鐠冪绋嶅井鍊炬枩涓鐐 C.鎶婄幓鐠冪寰涓婃彁涓鎻 D.鎶婂疄楠岀Щ鍒伴珮灞变笂鍘诲仛 鍦ㄦ按骞抽潰涓婏紝鎵橀噷鎷嗗埄鍙互鏀寔姘撮摱鍒76cm锛岃秺寰楂樺搴旇鍘嬪己瓒...
绛旓細鍗囬珮12绫筹紝姘斿帇闄嶄綆1mm楂樻按閾舵煴鐨勫帇寮锛屾晠榛勫北宄伴《鐨勫ぇ姘斿帇绾︿负760-1683/12=620mm楂樻按閾舵煴鐨勫帇寮猴紝鍚0.8atm.杩愮畻鏉′欢鏄珮搴2000绫充互鍐咃紝鐝犵﹩閮庣帥宄扮殑椤跺嘲娴锋嫈8844绫筹紝瓒呭嚭鏉′欢楂樺害锛屾晠涓嶈兘鐢ㄥ悓鏍风殑鏂规硶杩愮畻銆
绛旓細甯稿帇閿呯倝鍜屽ぇ姘旂浉閫 鍦ㄦ捣鎷3000绫充互鍐咃紝姣忓崌楂12绫筹紝澶姘斿帇绾﹂檷浣133甯曪紙1mm姘撮摱鏌锛850/12*1=70.83mmHg 760mm-70.83mm=689.17mmHg 760mmHg:100鈩=689.17mmHg:x x=90.68鈩
绛旓細鍗囬珮12绫,姘斿帇闄嶄綆1mm楂樻按閾舵煴鐨勫帇寮,鏁呴粍灞卞嘲椤剁殑澶ф皵鍘嬬害涓760-1683/12=620mm楂樻按閾舵煴鐨勫帇寮,鍚0.8atm.杩愮畻鏉′欢鏄珮搴2000绫充互鍐,鐝犵﹩閮庣帥宄扮殑
绛旓細1m³锛10³dm³ 1dm³锛103cm³ 1cm³锛10³mm³1L锛10³mL 1dm³锛1鍗囷紳10³cm³1cm³锛1mL锛10³mm³1鏍囧噯澶姘斿帇 = 760姣背楂樻按閾舵煴 =1.01脳10^5Pa锛堝笗锛1搴︼紙鐢碉級= 1KW路h =3.6脳10^6J...
