{"id":425,"date":"2023-06-18T15:54:24","date_gmt":"2023-06-18T15:54:24","guid":{"rendered":"https:\/\/physigeek.com\/cn\/%e8%87%aa%e7%94%b1%e8%90%bd%e4%bd%93\/"},"modified":"2023-06-18T15:54:24","modified_gmt":"2023-06-18T15:54:24","slug":"%e8%87%aa%e7%94%b1%e8%90%bd%e4%bd%93","status":"publish","type":"post","link":"https:\/\/physigeek.com\/cn\/%e8%87%aa%e7%94%b1%e8%90%bd%e4%bd%93\/","title":{"rendered":"\u81ea\u7531\u843d\u4f53"},"content":{"rendered":"<p>\u672c\u6587\u89e3\u91ca\u4e86\u7269\u7406\u5b66\u4e2d\u7684\u81ea\u7531\u843d\u4f53\u662f\u4ec0\u4e48\u3002\u60a8\u8fd8\u5c06\u627e\u5230\u81ea\u7531\u843d\u4f53\u7684\u516c\u5f0f\uff0c\u6b64\u5916\uff0c\u8fd8\u6709\u4e00\u4e2a\u5df2\u89e3\u51b3\u7684\u81ea\u7531\u843d\u4f53\u4e0b\u843d\u793a\u4f8b\u3002 <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%C2%BFQue-es-la-caida-libre\"><\/span>\u4ec0\u4e48\u662f\u81ea\u7531\u843d\u4f53\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u5728\u7269\u7406\u5b66\u4e2d\uff0c<strong>\u81ea\u7531\u843d\u4f53<\/strong>\u662f\u4e00\u79cd\u76f4\u7ebf\u8fd0\u52a8\uff0c\u5176\u4e2d\u7269\u4f53\u4ec5\u5728\u91cd\u529b\u7684\u5f71\u54cd\u4e0b\u4ece\u4e00\u5b9a\u9ad8\u5ea6\u5782\u76f4\u843d\u4e0b\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u5728\u81ea\u7531\u843d\u4f53\u4e2d\uff0c\u7269\u4f53\u6cbf\u76f4\u7ebf\u4e0b\u843d\uff0c\u5ffd\u7565\u4e0e\u7a7a\u6c14\u6216\u4efb\u4f55\u5176\u4ed6\u969c\u788d\u7269\u7684\u6469\u64e6\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u81ea\u7531\u843d\u4f53\u7684\u4e3b\u8981\u7279\u5f81\u662f\u4e0d\u8003\u8651\u4e0e\u7a7a\u6c14\u7684\u6469\u64e6\u529b\uff08\u6216\u6469\u64e6\u529b\uff09\u3002\u56e0\u6b64\uff0c\u81ea\u7531\u843d\u4f53\u8fd0\u52a8\u4e2d\u6d89\u53ca\u7684\u552f\u4e00\u529b\u662f\u91cd\u529b\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u6211\u4eec\u4ece\u5efa\u7b51\u7269\u7684\u5c4b\u9876\u4e0a\u6254\u4e0b\u4e00\u4e2a\u7403\uff0c\u5e76\u5ffd\u7565\u7403\u4e0e\u7a7a\u6c14\u7684\u6469\u64e6\u529b\uff0c\u5b83\u4f1a\u6267\u884c\u81ea\u7531\u843d\u4f53\u8fd0\u52a8\uff0c\u56e0\u4e3a\u4f5c\u7528\u5728\u5176\u4e0a\u7684\u552f\u4e00\u529b\u662f\u91cd\u529b\u3002 <\/p>\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/chute-libre.png\" alt=\"\u81ea\u7531\u843d\u4f53\" class=\"wp-image-8151\" width=\"332\" height=\"291\" srcset=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/chute-libre-300x262.png 300w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/chute-libre.png 493w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\"><\/figure>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Formulas-de-la-caida-libre\"><\/span>\u81ea\u7531\u843d\u4f53\u516c\u5f0f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u4e0b\u9762\u60a8\u53ef\u4ee5\u770b\u5230\u81ea\u7531\u843d\u4f53\u8fd0\u52a8\u7684\u6240\u6709\u516c\u5f0f\u662f\u4ec0\u4e48\u3002\u8fd9\u4e9b\u516c\u5f0f\u5c06\u5e2e\u52a9\u60a8\u89e3\u51b3\u8eab\u4f53\u7684\u81ea\u7531\u843d\u4f53\u95ee\u9898\u3002<\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Posicion\"><\/span>\u4f4d\u7f6e<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u6ca1\u6709\u4efb\u4f55\u6469\u64e6\u529b\u7684\u81ea\u7531\u4e0b\u843d\u7684\u7269\u4f53\u6267\u884c\u5300\u52a0\u901f\u76f4\u7ebf\u8fd0\u52a8\uff08MRUA\uff09\u3002\u56e0\u6b64\uff0c\u53ef\u4ee5\u4ece<a href=\"https:\/\/physigeek.com\/cn\/\u76f4\u7ebf\u8fd0\u52a8\u5747\u5300\u52a0\u901f-mrua\/\">MRUA<\/a>\u4f4d\u7f6e\u516c\u5f0f\u63a8\u5bfc\u51fa\u8ba1\u7b97\u81ea\u7531\u843d\u4f53\u7269\u4f53\u4f4d\u7f6e\u7684\u516c\u5f0f\uff1a<\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-89b3f9bb6bf789f11429d59533f96622_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y=H-v_0\\cdot (t-t_0)-\\cfrac{1}{2}\\cdot g \\cdot (t-t_0)^2\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"286\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p style=\"margin-bottom:5px\">\u91d1\u5b50\uff1a <\/p>\n<ul style=\"color:#4fd12f; font-weight: bold;\">\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-38461fc041e953482219abf5d4cce1cb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: -4px;\"><\/p>\n<p>\u662f\u8eab\u4f53\u81ea\u7531\u843d\u4f53\u65f6\u7684\u9ad8\u5ea6\u3002 <\/span><\/li>\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-a7cedbc00aa5531f310166df85e3a9bb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"H\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"16\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u662f\u8eab\u4f53\u6295\u5f71\u7684\u9ad8\u5ea6\u3002 <\/span><\/li>\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-033c1c43e83708a4a975dedd88f197a8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"v_0\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"16\" style=\"vertical-align: -3px;\"><\/p>\n<p>\u662f\u7269\u4f53\u7684\u521d\u901f\u5ea6\u3002 <\/span><\/li>\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-fd9cb27edab3f0a8a249bc80cc9c6ee2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"t\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"6\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u662f\u8ba1\u7b97\u8eab\u4f53\u4f4d\u7f6e\u7684\u65f6\u523b\u3002 <\/span><\/li>\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-c1a3f4a217f20d31e6f72a2f42a2e7dd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"t_0\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"13\" style=\"vertical-align: -3px;\"><\/p>\n<p>\u662f\u521d\u59cb\u65f6\u523b\u3002 <\/span><\/li>\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-e88010d25c51c0c42c505ee1004ed182_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"g\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: -4px;\"><\/p>\n<p>\u662f\u91cd\u529b\u52a0\u901f\u5ea6\uff0c\u5730\u7403\u4e0a\u7684\u503c\u4e3a 9.81 m\/s <sup>2<\/sup> \u3002<\/span><\/li>\n<\/ul>\n<p>\u8bf7\u6ce8\u610f\uff0c\u8be5\u53c2\u8003\u7cfb\u7684\u5750\u6807\u539f\u70b9\u662f\u5730\u9762\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u8eab\u4f53\u5c06\u5728\u4f4d\u7f6e y=0 \u5904\u4e0e\u5730\u9762\u78b0\u649e\u3002<\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Velocidad\"><\/span>\u901f\u5ea6<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u6ca1\u6709\u4efb\u4f55\u6469\u64e6\u529b\u7684\u81ea\u7531\u4e0b\u843d\u7684\u7269\u4f53\u63cf\u8ff0\u7684\u662f\u5300\u52a0\u901f\u76f4\u7ebf\u8fd0\u52a8\uff0c\u56e0\u6b64\u6211\u4eec\u53ef\u4ee5\u627e\u5230\u4efb\u610f\u65f6\u523b\u7684\u901f\u5ea6\u7684\u516c\u5f0f\u5982\u4e0b\uff1a<\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-2b86a879f38e8f8da7c676a34ef04aba_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"v=v_0-g\\cdot (t-t_0)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"148\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p style=\"margin-bottom:5px\">\u91d1\u5b50\uff1a <\/p>\n<ul style=\"color:#4fd12f; font-weight: bold;\">\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-796872219106704832bd95ce08640b7b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"v\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u662f\u7ed9\u5b9a\u65f6\u523b\u8eab\u4f53\u7684\u901f\u5ea6\u3002 <\/span><\/li>\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-033c1c43e83708a4a975dedd88f197a8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"v_0\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"16\" style=\"vertical-align: -3px;\"><\/p>\n<p>\u662f\u7269\u4f53\u7684\u521d\u901f\u5ea6\u3002 <\/span><\/li>\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-e88010d25c51c0c42c505ee1004ed182_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"g\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: -4px;\"><\/p>\n<p>\u662f\u91cd\u529b\u52a0\u901f\u5ea6\uff0c\u5730\u7403\u4e0a\u7684\u503c\u4e3a 9.81 m\/s <sup>2<\/sup> \u3002 <\/span><\/li>\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-fd9cb27edab3f0a8a249bc80cc9c6ee2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"t\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"6\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u662f\u8ba1\u7b97\u8eab\u4f53\u901f\u5ea6\u7684\u65f6\u523b\u3002 <\/span><\/li>\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-c1a3f4a217f20d31e6f72a2f42a2e7dd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"t_0\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"13\" style=\"vertical-align: -3px;\"><\/p>\n<p>\u662f\u521d\u59cb\u65f6\u523b\u3002<\/span><\/li>\n<\/ul>\n<p><strong>\u6ce8\u610f\uff1a<\/strong>\u8bf7\u8bb0\u4f4f\uff0c\u81ea\u7531\u843d\u4f53\u6b63\u5728\u4e0b\u5761\uff0c\u56e0\u6b64\u901f\u5ea6\u6709\u8d1f\u53f7\u3002\u6240\u4ee5\uff0c\u8eab\u4f53\u8d8a\u4f4e\uff0c\u901f\u5ea6\u7684\u8d1f\u503c\u5c31\u8d8a\u5927\u3002<\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Aceleracion\"><\/span>\u52a0\u901f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u5728\u81ea\u7531\u843d\u4f53\u8fc7\u7a0b\u4e2d\uff0c\u6240\u6709\u6469\u64e6\u529b\u90fd\u88ab\u5ffd\u7565\uff0c\u552f\u4e00\u8d77\u4f5c\u7528\u7684\u529b\u662f\u91cd\u529b\u3002\u56e0\u6b64\uff0c\u52a0\u901f\u5ea6\u5728\u6574\u4e2a\u8f68\u8ff9\u4e0a\u662f\u6052\u5b9a\u7684\u3002<\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-e3282a7b306fa53bfdfa002aec864752_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a=-g\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"56\" style=\"vertical-align: -4px;\"><\/p>\n<\/p>\n<p style=\"margin-bottom:5px\">\u91d1\u5b50\uff1a <\/p>\n<ul style=\"color:#4fd12f; font-weight: bold;\">\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-0e55b0b3943237ccfc96979505679274_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"a\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"9\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u662f\u8eab\u4f53\u7684\u52a0\u901f\u5ea6\u3002 <\/span><\/li>\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-e88010d25c51c0c42c505ee1004ed182_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"g\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: -4px;\"><\/p>\n<p>\u662f\u91cd\u529b\u52a0\u901f\u5ea6\uff0c\u5730\u7403\u4e0a\u7684\u503c\u4e3a 9.81 m\/s <sup>2<\/sup> \u3002 <\/span><\/li>\n<\/ul>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Resumen-de-las-formulas-de-la-caida-libre\"><\/span>\u81ea\u7531\u843d\u4f53\u516c\u5f0f\u603b\u7ed3<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u60a8\u53ef\u4ee5\u5728\u4e0b\u9762\u770b\u5230\u4e00\u4e2a\u8868\u683c\uff0c\u5176\u4e2d\u6c47\u603b\u4e86\u6240\u6709\u81ea\u7531\u843d\u4f53\u516c\u5f0f\uff1a <\/p>\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/formules-de-chute-libre.png\" alt=\"\u81ea\u7531\u843d\u4f53\u516c\u5f0f\" class=\"wp-image-8293\" width=\"398\" height=\"242\" srcset=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/formules-de-chute-libre-300x182.png 300w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/formules-de-chute-libre-768x467.png 768w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/formules-de-chute-libre.png 814w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\"><\/figure>\n<p>\u8bf7\u6ce8\u610f\uff0c\u81ea\u7531\u843d\u4f53\u4e0b\u964d\u7684\u7269\u4f53\u7684\u8d28\u91cf\u6ca1\u6709\u51fa\u73b0\u5728\u4efb\u4f55\u516c\u5f0f\u4e2d\uff0c\u8fd9\u610f\u5473\u7740\u5982\u679c\u6211\u4eec\u5ffd\u7565\u6469\u64e6\u529b\uff0c\u7269\u4f53\u7684\u4f4d\u7f6e\u3001\u901f\u5ea6\u548c\u52a0\u901f\u5ea6\u4e0d\u4f9d\u8d56\u4e8e\u5176\u8d28\u91cf\u3002 <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ejercicio-resuelto-de-la-caida-libre\"><\/span>\u81ea\u7531\u843d\u4f53\u8fd0\u52a8\u89e3\u51b3\u4e86<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u5728\u672c\u8282\u4e2d\uff0c\u6211\u4eec\u5c06\u9010\u6b65\u89e3\u51b3\u81ea\u7531\u843d\u4f53\u7ec3\u4e60\uff0c\u4ee5\u4fbf\u60a8\u66f4\u597d\u5730\u7406\u89e3\u6b64\u7c7b\u8fd0\u52a8\u7684\u6982\u5ff5\u3002<\/p>\n<ul>\n<li>\u7269\u4f53\u4ece 80 \u7c73\u9ad8\u5904\u4ee5\u96f6\u521d\u901f\u5ea6\u81ea\u7531\u843d\u4f53\u91ca\u653e\u3002\u8eab\u4f53\u843d\u5730\u7684\u901f\u5ea6\u6709\u591a\u5feb\uff1f\u5ffd\u7565\u4e0e\u7a7a\u6c14\u7684\u6469\u64e6\u529b\uff0c\u53d6\u91cd\u529b\u503c\u4e3ag=10 m\/s <sup>2<\/sup> \u3002<\/li>\n<\/ul>\n<p>\u8981\u786e\u5b9a\u7269\u4f53\u81ea\u7531\u843d\u4f53\u843d\u5730\u65f6\u7684\u901f\u5ea6\uff0c\u9996\u5148\u8981\u6c42\u51fa\u81ea\u7531\u843d\u4f53\u7684\u65f6\u95f4\u3002\u5f53\u7269\u4f53\u5728\u5730\u9762\u4e0a\u65f6\uff0c\u5176\u4f4d\u7f6e\u4e3a y=0\uff0c\u56e0\u6b64\u6211\u4eec\u5c06\u4f4d\u7f6e\u65b9\u7a0b\u8bbe\u7f6e\u4e3a\u96f6\uff1a <\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-89b3f9bb6bf789f11429d59533f96622_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y=H-v_0\\cdot (t-t_0)-\\cfrac{1}{2}\\cdot g \\cdot (t-t_0)^2\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"286\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-a8b3abf7ff1bae725abd60c8d8b5370d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"0=80-0 \\cdot (t-0)-\\cfrac{1}{2}\\cdot 10 \\cdot (t-0)^2\" title=\"Rendered by QuickLaTeX.com\" height=\"38\" width=\"278\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-d302b4bf2089721a04f6dc49a12c6109_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"0=80-5t^2\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"94\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p>\u6211\u4eec\u6c42\u89e3\u6240\u5f97\u7684\u4e8c\u6b21\u65b9\u7a0b\uff1a <\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-acf2f09abd8f75c1ee0e570a6c0a93bc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{aligned}5t^2&amp;=80\\\\[2ex]t^2&amp;=\\cfrac{80}{5}\\\\[2ex]t^2&amp;=16\\\\[2ex]t&amp;=\\sqrt{ 16}=\\begin{cases}4\\\\[2ex]-4 \\ \\color{red}\\bm{\\times}\\end{cases}\\\\[2ex]t&amp;=4\\ s\\end{aligned}[\/ latex] Et maintenant que nous connaissons le temps n\u00e9cessaire au corps pour atteindre le sol, nous utilisons l'\u00e9quation de la vitesse pour trouver la vitesse finale du corps : [latex]\\begin{aligned}v&amp;=v_0-g\\cdot (t-t_0)\\\\[2ex]v&amp;=0-10\\cdot (4-0)\\\\[2ex]v&amp;=-40 \\ \\cfrac{ m}{s}\\end{align\u00e9}\" title=\"Rendered by QuickLaTeX.com\" height=\"409\" width=\"584\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Caida-libre-y-tiro-vertical\"><\/span>\u81ea\u7531\u843d\u4f53\u548c\u5782\u76f4\u5c04\u51fb<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u6700\u540e\uff0c\u6211\u4eec\u5c06\u4e86\u89e3\u81ea\u7531\u843d\u4f53\u548c\u5782\u76f4\u5c04\u51fb\u4e4b\u95f4\u7684\u533a\u522b\uff0c\u56e0\u4e3a\u5b83\u4eec\u662f\u4e24\u79cd\u975e\u5e38\u76f8\u4f3c\u4f46\u7565\u6709\u4e0d\u540c\u7684\u8fd0\u52a8\u7c7b\u578b\u3002<\/p>\n<p>\u5782\u76f4\u6295\u63b7\u662f\u5c06\u8eab\u4f53\u5782\u76f4\u5411\u4e0a\u6295\u63b7\uff0c\u4f7f\u8eab\u4f53\u5148\u4e0a\u5347\uff0c\u7136\u540e\u4e0b\u964d\uff0c\u76f4\u5230\u5230\u8fbe\u5730\u9762\u3002\u540c\u6837\uff0c\u5728\u5782\u76f4\u5c04\u51fb\u4e2d\uff0c\u8eab\u4f53\u4e5f\u53ef\u4ee5\u5411\u4e0b\u629b\uff0c\u91cd\u8981\u7684\u662f\u5b83\u6cbf\u76f4\u7ebf\u79fb\u52a8\u5e76\u65bd\u52a0\u521d\u59cb\u901f\u5ea6\u3002<\/p>\n<p><strong>\u81ea\u7531\u843d\u4f53\u548c\u5782\u76f4\u6295\u63b7\u4e4b\u95f4\u7684\u533a\u522b<\/strong>\u5728\u4e8e\uff0c\u4e00\u822c\u6765\u8bf4\uff0c\u5728\u81ea\u7531\u843d\u4f53\u8fc7\u7a0b\u4e2d\uff0c\u8eab\u4f53\u6ca1\u6709\u521d\u901f\u5ea6\uff0c\u56e0\u4e3a\u8eab\u4f53\u53ea\u662f\u7b80\u5355\u5730\u6389\u843d\u3002\u76f8\u53cd\uff0c\u5728\u5782\u76f4\u6295\u63b7\u671f\u95f4\uff0c\u8eab\u4f53\u5177\u6709\u521d\u59cb\u901f\u5ea6\uff0c\u56e0\u4e3a\u6295\u63b7\u8eab\u4f53\u65f6\u4f1a\u65bd\u52a0\u529b\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u81ea\u7531\u843d\u4f53\u548c\u5782\u76f4\u6295\u63b7\u7684\u6700\u7ec8\u8eab\u4f53\u901f\u5ea6\u548c\u5230\u8fbe\u5730\u9762\u7684\u65f6\u95f4\u662f\u4e0d\u540c\u7684\u3002\u7136\u800c\uff0c\u4e24\u79cd\u8fd0\u52a8\u7684\u52a0\u901f\u5ea6\u662f\u76f8\u540c\u7684\uff0c\u56e0\u4e3a\u5b83\u662f\u91cd\u529b\u52a0\u901f\u5ea6\u3002 <\/p>\n<div style=\"background-color:#FFFDE7; padding-top: 10px; padding-bottom: 10px; padding-right: 10px; padding-left: 20px; border: 2.5px dashed #FFB74D; border-radius:20px;\"> <span style=\"color:#ff951b\">\u27a4<\/span><strong>\u53c2\u89c1\uff1a<\/strong><a href=\"https:\/\/physigeek.com\/cn\/\u5782\u76f4\u62cd\u6444\/\">\u5782\u76f4\u9762\u7684\u7279\u5f81<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u6587\u89e3\u91ca\u4e86\u7269\u7406\u5b66\u4e2d\u7684\u81ea\u7531\u843d\u4f53\u662f\u4ec0\u4e48\u3002\u60a8\u8fd8\u5c06\u627e\u5230\u81ea\u7531\u843d\u4f53\u7684\u516c\u5f0f\uff0c\u6b64\u5916\uff0c\u8fd8\u6709\u4e00\u4e2a\u5df2\u89e3\u51b3\u7684\u81ea\u7531\u843d\u4f53\u4e0b\u843d\u793a\u4f8b\u3002 \u4ec0\u4e48\u662f &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/physigeek.com\/cn\/%e8%87%aa%e7%94%b1%e8%90%bd%e4%bd%93\/\"> <span class=\"screen-reader-text\">\u81ea\u7531\u843d\u4f53<\/span> \u67e5\u770b\u5168\u6587 &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"","footnotes":""},"categories":[3],"tags":[],"class_list":["post-425","post","type-post","status-publish","format-standard","hentry","category-3"],"yoast_head":"<!-- This site is optimized 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