{"id":43307,"date":"2024-06-18T14:59:28","date_gmt":"2024-06-18T05:59:28","guid":{"rendered":"https:\/\/www.tokaibane.com\/en\/?post_type=cau-hoi&#038;p=43307"},"modified":"2024-06-18T15:31:07","modified_gmt":"2024-06-18T06:31:07","slug":"cong-thuc-co-ban-tinh-tan-so-rieng-cua-lo-xo","status":"publish","type":"cau-hoi","link":"https:\/\/www.tokaibane.com\/en\/vn\/cau-hoi\/43307","title":{"rendered":"C\u00f4ng th\u1ee9c c\u01a1 b\u1ea3n t\u00ednh t\u1ea7n s\u1ed1 ri\u00eang c\u1ee7a l\u00f2 xo"},"content":{"rendered":"\n<p>T\u00f4i mu\u1ed1n bi\u1ebft c\u00f4ng th\u1ee9c t\u00ednh t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean (f) c\u1ee7a l\u00f2 xo n\u00e9n.Th\u00f4ng th\u01b0\u1eddng, ta c\u00f3 c\u00f4ng th\u1ee9c &#8220;f = 1\/(2\u03c0) x \u221a(k\/m)&#8221;, nh\u01b0ng theo ti\u00eau chu\u1ea9n JIS JIS B 2704,&#8221;f=i\/2\u00d7\u221a(k\/m)&#8221;v\u00e0 c\u00f4ng th\u1ee9c n\u00e0y kh\u00f4ng c\u00f3 \u03c0.<\/p>\n\n\n\n<p>T\u1ea1i sao l\u1ea1i c\u00f3 hai c\u00f4ng th\u1ee9c v\u00e0 c\u00f4ng th\u1ee9c n\u00e0o l\u00e0 \u0111\u00fang?<\/p>\n\n\n\n<hr class=\"wp-block-separator is-style-default\"\/>\n\n\n\n<h2>Tr\u1ea3 l\u1eddi<\/h2>\n\n\n\n<p>C\u1ea3m \u01a1n c\u00e2u h\u1ecfi c\u1ee7a b\u1ea1n!<\/p>\n\n\n\n<p>C\u00f4ng th\u1ee9c f = 1\/(2\u03c0) x \u221a(k\/m) l\u00e0 c\u00f4ng th\u1ee9c t\u00ednh t\u1ea7n s\u1ed1 f c\u1ee7a m\u1ed9t v\u1eadt c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng m v\u00e0 m\u1ed9t l\u00f2 xo c\u00f3 h\u1eb1ng s\u1ed1 l\u00f2 xo k.<\/p>\n\n\n\n<p>M\u1eb7t kh\u00e1c, c\u00f4ng th\u1ee9c f=i\/2\u00d7\u221a(k\/m) m\u00f4 t\u1ea3 trong ti\u00eau chu\u1ea9n JIS l\u00e0 c\u00f4ng th\u1ee9c t\u00ednh t\u1ea7n s\u1ed1 ri\u00eang f c\u1ee7a ch\u00ednh l\u00f2 xo, trong \u0111\u00f3 m l\u00e0 kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a l\u00f2 xo.<\/p>\n\n\n\n<p>N\u00f3i c\u00e1ch kh\u00e1c, 2 c\u00f4ng th\u1ee9c t\u00ednh to\u00e1n n\u00e0y v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 kh\u00e1c nhau. M\u1ed9t l\u00e0 c\u00f4ng th\u1ee9c t\u00ecm t\u1ea7n s\u1ed1 c\u1ee7a m\u1ed9t thi\u1ebft b\u1ecb g\u1ed3m c\u00f3 l\u00f2 xo v\u00e0 v\u1eadt kh\u00e1c, c\u00f4ng th\u1ee9c th\u1ee9 hai l\u00e0 \u0111\u1ec3 t\u00ecm t\u1ea7n s\u1ed1 t\u1ef1 nhi\u00ean c\u1ee7a ch\u00ednh l\u00f2 xo.<\/p>\n","protected":false},"featured_media":0,"template":"","acf":[],"_links":{"self":[{"href":"https:\/\/www.tokaibane.com\/en\/wp-json\/wp\/v2\/cau-hoi\/43307"}],"collection":[{"href":"https:\/\/www.tokaibane.com\/en\/wp-json\/wp\/v2\/cau-hoi"}],"about":[{"href":"https:\/\/www.tokaibane.com\/en\/wp-json\/wp\/v2\/types\/cau-hoi"}],"wp:attachment":[{"href":"https:\/\/www.tokaibane.com\/en\/wp-json\/wp\/v2\/media?parent=43307"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}