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\u300a\u5929\u5916\u5947\u8e5f\u300b\u7528\u4e94\u984f\u516d\u8272\u7684\u6c23\u7403\uff0c\u6253\u9020\u4e86\u7368\u4e00\u7121\u4e8c\u7684\u98db\u5c4b\u3002\u4e00\u5ea7\u6728\u5c4b\u8981\u98db\u4e0a\u5929\uff0c\u5230\u5e95\u9700\u8981\u591a\u5c11\u9846\u6c23\u7403\u5462\uff1f<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u3000\u3000\u8a18\u5f97\u5728\u4e00\u500b\u8a2a\u8ac7\u7bc0\u76ee\u88e1\u770b\u5230\u4e3b\u5275\u8aaa\u300a\u5929\u5916\u5947\u8e5f\u300b\u88e1\u9762\u7684\u6c23\u7403\u6578\u76ee\u662f\u300c20,622\u300d\u3002\u9019\u53ef\u80fd\u55ce\uff1f<\/p>\n\n\n\n

\u3000\u3000\u8981\u60f3\u77e5\u9053\u5169\u842c\u500b\u6c23\u7403\u53ef\u4ee5\u8f09\u91cd\u591a\u5c11\uff0c\u9700\u8981\u5148\u77e5\u9053\u4e00\u96bb\u6c23\u7403\u53ef\u4ee5\u627f\u91cd\u591a\u5c11\u3002\u73fe\u5be6\u751f\u6d3b\u4e2d\uff0c\u7bc0\u65e5\u3001\u751f\u65e5\u7b49\u6176\u5178\u5e38\u898b\u7684\u6f02\u6d6e\u5728\u7a7a\u4e2d\u7684\u6c23\u7403\u4e00\u822c\u6709\u6c2b\u6c23\u7403\u548c\u6c26\u6c23\u7403\u5169\u7a2e\uff0c\u4f46\u56e0\u70ba\u6c2b\u6c23\u6bd4\u8f03\u5371\u96aa\uff0c\u53ef\u80fd\u5f15\u767c\u7206\u70b8\uff0c\u76ee\u524d\u6700\u5e38\u7528\u7684\u5f80\u5f80\u662f\u6c26\u6c23\u7403\u3002\u90a3\u9ebc\uff0c\u8b93\u6211\u5011\u505a\u500b\u6700\u7406\u60f3\u7684\u7c21\u5316\uff0c\u5ffd\u7565\u6c23\u7403\u672c\u8eab\u7684\u91cd\u91cf\u4ee5\u53ca\u7e69\u5b50\u7684\u91cd\u91cf\uff0c\u4e00\u53ea\u6c23\u7403\u5145\u6eff\u6c26\u6c23\u4ee5\u5f8c\u76f4\u5f91\u5927\u7d04\u670930 cm\u5927\u5c0f\uff0c\u90a3\u9ebc\u9ad4\u7a4d\u7d04\u70ba14L\u3002<\/p>\n\n\n\n

\u3000\u3000\u56e0\u70ba\u6c26\u6c23\u5bc6\u5ea6\uff08\u03c11 = 0.1786g\/L\uff09\u5c0f\u65bc\u7a7a\u6c23\u5bc6\u5ea6\uff08\u03c12 = 1.295g\/L\uff09\uff0c\u7c21\u55ae\u5730\u5206\u6790\u4e00\u4e0b\u53d7\u529b\u5c31\u53ef\u4ee5\u77e5\u9053\uff0c\u6c26\u6c23\u7684\u91cd\u529b\u5411\u4e0b\uff0c\u7a7a\u6c23\u7684\u6d6e\u529b\u5411\u4e0a\uff0c\u7d50\u679c\u662f\u5408\u529b\u7684\u65b9\u5411\u5411\u4e0a\uff0c\u5927\u5c0f\u70ba F = mg =\uff08\u03c12 -\u03c11\uff09gV\uff0c\u9019\u88e1V\u70ba\u6c23\u7403\u7684\u9ad4\u7a4d\uff0cg\u70ba\u91cd\u529b\u52a0\u901f\u5ea6\uff0c\u5927\u7d04\u662f 9.8m\/s2\u3002\u56e0\u6b64\u4e00\u9846\u6c26\u6c23\u7403\u5927\u7d04\u53ef\u4ee5\u627f\u91cd\uff08\u5373m\uff0915g\u3002\u90a3\u9ebc\u5169\u842c\u9846\u6c23\u7403\u53ef\u4ee5\u652f\u6490\u5927\u7d04300kg\uff0c\u9019\u9846\u76f8\u7576\u65bc\u5e7e\u500b\u4eba\u7684\u9ad4\u91cd\u3002\u9032\u4e00\u6b65\u63a8\u7b97\uff0c\u6211\u5011\u5927\u7d04\u9700\u8981 7 \u842c\u9846\u6c23\u7403\u624d\u80fd\u8b93\u4e00\u8f1b\u5c0f\u8f4e\u8eca\u98db\u4e0a\u5929\uff0c\u8981\u62c9\u52d5\u623f\u5b50\uff08\u54ea\u6015\u662f\u6728\u982d\u623f\u5b50\uff09\uff0c\u6050\u6015\u5c31\u9700\u8981\u5341\u5e7e\u842c\u9846\u6c23\u7403\u4e86\u3002<\/p>\n\n\n\n

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\u3000\u3000\u4e8b\u5be6\u4e0a\uff0c\u4e26\u4e0d\u662f\u53ea\u6709\u6211\u5011\u624d\u628a\u5b83\u7576\u4f5c\u4e00\u56de\u4e8b\u3002\u51fa\u54c1\u4eba\u76ae\u514b\u65af\u52d5\u756b\u5de5\u4f5c\u5ba4\u5728\u8a2d\u8a08\u96fb\u5f71\u7684\u6642\u5019\u5df2\u7d93\u60f3\u5230\u4e86\u9019\u500b\u4e26\u4e0d\u7b97\u8907\u96dc\u7684\u8a08\u7b97\u904e\u7a0b\uff0c\u76ae\u514b\u65af\u7684\u7d50\u679c\u662f\u300c\u81f3\u5c11\u9700\u898110\u842c\u9846\u6c23\u7403\uff08\u548c\u6211\u5011\u6700\u7c21\u5316\u7684\u8a08\u7b97\u7d50\u679c\u5f88\u63a5\u8fd1\uff09\u624d\u80fd\u7522\u751f\u8db3\u5920\u8b93\u5c0f\u5c4b\u98db\u8d77\u7684\u6d6e\u529b\u300d\uff0c\u4f46\u662f\u70ba\u4e86\u66f4\u597d\u7684\u8996\u89ba\u6548\u679c\uff0c\u53ea\u505a\u4e86 2 \u842c\u9846\u3002<\/p>\n\n\n\n

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\uff5c\u5716\u7247\u4f86\u6e90\uff1aunsplash<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

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