{"id":2125,"date":"2026-08-31T08:03:53","date_gmt":"2026-08-31T08:03:53","guid":{"rendered":"https:\/\/wayhope.kro.kr\/?p=2125"},"modified":"2026-08-31T08:03:53","modified_gmt":"2026-08-31T08:03:53","slug":"%ec%9a%b4%eb%8f%99%ed%95%99-%ed%95%b5%ec%8b%ac-%ec%a0%95%eb%a6%ac","status":"publish","type":"post","link":"https:\/\/wayhope.kro.kr\/?p=2125","title":{"rendered":"\uc6b4\ub3d9\ud559 \ud575\uc2ec \uc815\ub9ac"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\uc6b4\ub3d9\ud559(Kinematics)\uc740 <strong>\ubb3c\uccb4\uac00 \uc5b4\ub5bb\uac8c \uc6c0\uc9c1\uc774\ub294\uc9c0\ub97c \ub2e4\ub8e8\ub294 \ubd84\uc57c<\/strong>\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud798\uc774\ub098 \uc9c8\ub7c9\uc758 \uc6d0\uc778\uc744 \uba3c\uc800 \ub2e4\ub8e8\uc9c0 \uc54a\ub294\ub2e4.<br>\uc8fc\uc5b4\uc9c4 \uc2dc\uac04\uc5d0 \ubb3c\uccb4\uc758 <strong>\uc704\uce58, \uc18d\ub3c4, \uac00\uc18d\ub3c4<\/strong>\uac00 \uc5b4\ub5bb\uac8c \ubcc0\ud558\ub294\uc9c0\ub97c \ubd84\uc11d\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud575\uc2ec \uad00\uacc4\ub294 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc704\uce58 -&gt; \uc18d\ub3c4 -&gt; \uac00\uc18d\ub3c4<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc18d\ub3c4 = \uc704\uce58\uc758 \uc2dc\uac04\uc5d0 \ub300\ud55c \ubcc0\ud654\uc728<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uac00\uc18d\ub3c4 = \uc18d\ub3c4\uc758 \uc2dc\uac04\uc5d0 \ub300\ud55c \ubcc0\ud654\uc728<\/code><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\uc18d\ub3c4<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc18d\ub3c4\ub294 <strong>\uc2dc\uac04\uc5d0 \ub530\ub978 \uc704\uce58\uc758 \ubcc0\ud654\uc728<\/strong>\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud3c9\uade0 \uc18d\ub3c4\ub294<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>v_avg = \u0394x \/ \u0394t<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc21c\uac04 \uc18d\ub3c4\ub294<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>v = dx\/dt<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc18d\ub3c4\ub294 \ubca1\ud130\uc774\ubbc0\ub85c <strong>\ud06c\uae30\uc640 \ubc29\ud5a5<\/strong>\uc744 \uac00\uc9c4\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>v = 10 m\/s<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub77c\uace0\ub9cc \ud558\uba74 \uc18d\ub825\uc5d0 \uac00\uae4c\uc6b4 \ud45c\ud604\uc774\uace0,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>v = (10, 0) m\/s<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucc98\ub7fc \ud45c\ud604\ud558\uba74 \ubc29\ud5a5\uae4c\uc9c0 \ud3ec\ud568\ud55c \uc18d\ub3c4 \ubca1\ud130\uac00 \ub41c\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc18d\ub825\uacfc \uc18d\ub3c4<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub458\uc744 \uad6c\ubd84\ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc18d\ub825 -&gt; \uc774\ub3d9\ud55c \uac70\ub9ac \/ \uc2dc\uac04<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc18d\ub3c4 -&gt; \ubcc0\uc704 \/ \uc2dc\uac04<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4 \ubb3c\uccb4\uac00 \uc6d0\ud615 \ud2b8\ub799\uc744 \ud55c \ubc14\ud034 \ub3cc\uace0 \ucd9c\ubc1c\uc810\uc73c\ub85c \ub3cc\uc544\uc654\ub2e4\uba74,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ucd1d \uc774\ub3d9 \uac70\ub9ac &gt; 0<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ubcc0\uc704 = 0<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ubbc0\ub85c \ud3c9\uade0 \uc18d\ub3c4\ub294 <code>0<\/code>\uc774\uc9c0\ub9cc \ud3c9\uade0 \uc18d\ub825\uc740 <code>0<\/code>\uc774 \uc544\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\uac00\uc18d\ub3c4<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uac00\uc18d\ub3c4\ub294 <strong>\uc18d\ub3c4\uc758 \uc2dc\uac04\uc5d0 \ub530\ub978 \ubcc0\ud654\uc728<\/strong>\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud3c9\uade0 \uac00\uc18d\ub3c4:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>a_avg = \u0394v \/ \u0394t<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc21c\uac04 \uac00\uc18d\ub3c4:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>a = dv\/dt<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac00\uc18d\ub3c4\ub294 \ub2e8\uc21c\ud788 &#8220;\ube68\ub77c\uc9c0\ub294 \uac83&#8221;\ub9cc \uc758\ubbf8\ud558\uc9c0 \uc54a\ub294\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc18d\ub3c4\uc758 \ud06c\uae30\uac00 \ubcc0\ud558\uac70\ub098 \ubc29\ud5a5\uc774 \ubcc0\ud574\ub3c4 \uac00\uc18d\ub3c4\uac00 \ubc1c\uc0dd\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc18d\ub3c4 \uc99d\uac00 -&gt; \uac00\uc18d\ub3c4 \uc874\uc7ac<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc18d\ub3c4 \uac10\uc18c -&gt; \uac00\uc18d\ub3c4 \uc874\uc7ac<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ubc29\ud5a5 \ubcc0\ud654 -&gt; \uac00\uc18d\ub3c4 \uc874\uc7ac<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub530\ub77c\uc11c \uc77c\uc815\ud55c \uc18d\ub825\uc73c\ub85c \uc6d0\uc6b4\ub3d9\uc744 \ud558\ub294 \ubb3c\uccb4\ub3c4 \ubc29\ud5a5\uc774 \uacc4\uc18d \ubcc0\ud558\uae30 \ub54c\ubb38\uc5d0 \uac00\uc18d\ub3c4\uac00 \uc874\uc7ac\ud55c\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ub4f1\uc18d\ub3c4 \uc6b4\ub3d9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ub4f1\uc18d\ub3c4 \uc6b4\ub3d9<\/strong>\uc740 \uc18d\ub3c4\uac00 \uc77c\uc815\ud55c \uc6b4\ub3d9\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>v = constant<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub530\ub77c\uc11c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>a = 0<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1\ucc28\uc6d0\uc5d0\uc11c \uc704\uce58\ub294<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>x = x_0 + vt<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub85c \ud45c\ud604\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5ec\uae30\uc11c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>x_0 -&gt; \ucd08\uae30 \uc704\uce58<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>v -&gt; \uc77c\uc815\ud55c \uc18d\ub3c4<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>t -&gt; \uacbd\uacfc \uc2dc\uac04<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub4f1\uc18d\ub3c4 \uc6b4\ub3d9\uc5d0\uc11c\ub294 \uc2dc\uac04\uc774 \uc99d\uac00\ud560\uc218\ub85d \uc704\uce58\uac00 \uc77c\uc815\ud55c \ube44\uc728\ub85c \uc99d\uac00\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc2dc\uac04 \uc99d\uac00 -&gt; \uc704\uce58 \uc120\ud615 \uc99d\uac00<\/code><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ub4f1\uac00\uc18d\ub3c4 \uc6b4\ub3d9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ub4f1\uac00\uc18d\ub3c4 \uc6b4\ub3d9<\/strong>\uc740 \uac00\uc18d\ub3c4\uac00 \uc77c\uc815\ud55c \uc6b4\ub3d9\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>a = constant<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac00\uc18d\ub3c4\uac00 \uc77c\uc815\ud558\uba74 \uc18d\ub3c4\ub294 \uc2dc\uac04\uc5d0 \ub530\ub77c \uc120\ud615\uc801\uc73c\ub85c \ubcc0\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>v = v_0 + at<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc704\uce58\ub294<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>x = x_0 + v_0t + 1\/2 at\u00b2<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub610 \ub2e4\ub978 \uc911\uc694\ud55c \uad00\uacc4\uc2dd\uc740<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>v\u00b2 = v_0\u00b2 + 2a(x - x_0)<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub300\ud45c\uc801\uc778 \uc138 \uc2dd\uc740 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>v = v_0 + at<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\u0394x = v_0t + 1\/2at\u00b2<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>v\u00b2 = v_0\u00b2 + 2a\u0394x<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8\ub798\ud504\ub85c \ubcf4\uba74 \uad00\uacc4\uac00 \uba85\ud655\ud558\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc704\uce58-\uc2dc\uac04 \uadf8\ub798\ud504 -&gt; \ud3ec\ubb3c\uc120<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc18d\ub3c4-\uc2dc\uac04 \uadf8\ub798\ud504 -&gt; \uc9c1\uc120<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uac00\uc18d\ub3c4-\uc2dc\uac04 \uadf8\ub798\ud504 -&gt; \uc218\ud3c9\uc120<\/code><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\uc790\uc720\ub099\ud558<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc790\uc720\ub099\ud558<\/strong>\ub294 \uc911\ub825\ub9cc \ubc1b\uc73c\uba70 \uc6c0\uc9c1\uc774\ub294 \uc6b4\ub3d9\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uacf5\uae30 \uc800\ud56d\uc744 \ubb34\uc2dc\ud558\uba74 \uc9c0\ud45c\uba74 \uadfc\ucc98\uc5d0\uc11c \uc911\ub825 \uac00\uc18d\ub3c4\ub294 \uac70\uc758 \uc77c\uc815\ud558\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>g \u2248 9.8 m\/s\u00b2<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubcf4\ud1b5 \uc704\ucabd\uc744 \uc591\uc758 \ubc29\ud5a5\uc73c\ub85c \uc7a1\uc73c\uba74<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>a = -g<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac00 \ub41c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucd08\uae30 \uc18d\ub3c4\uac00 0\uc778 \ubb3c\uccb4\ub97c \ub192\uc774 <code>h_0<\/code>\uc5d0\uc11c \ub5a8\uc5b4\ub728\ub9ac\uba74<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>y = h_0 - 1\/2gt\u00b2<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc18d\ub3c4\ub294<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>v = -gt<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac00 \ub41c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucd08\uae30 \uc18d\ub3c4\uac00 \uc874\uc7ac\ud55c\ub2e4\uba74<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>y = y_0 + v_0t - 1\/2gt\u00b2<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>v = v_0 - gt<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub85c \uacc4\uc0b0\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc790\uc720\ub099\ud558\uc5d0\uc11c \uc911\uc694\ud55c \uac83\uc740 <strong>\uc9c8\ub7c9\uc774 \ub2e4\ub978 \ubb3c\uccb4\ub77c\ub3c4 \uacf5\uae30 \uc800\ud56d\uc744 \ubb34\uc2dc\ud558\uba74 \ub3d9\uc77c\ud55c \uc911\ub825 \uac00\uc18d\ub3c4\ub97c \ubc1b\ub294\ub2e4\ub294 \uac83<\/strong>\uc774\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud3ec\ubb3c\uc120 \uc6b4\ub3d9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud3ec\ubb3c\uc120 \uc6b4\ub3d9<\/strong>\uc740 \uc911\ub825\uc7a5 \uc548\uc5d0\uc11c \ubb3c\uccb4\ub97c \ube44\uc2a4\ub4ec\ud788 \ub358\uc84c\uc744 \ub54c \ub098\ud0c0\ub098\ub294 \uc6b4\ub3d9\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud575\uc2ec\uc740 \uc6b4\ub3d9\uc744 x\ucd95\uacfc y\ucd95\uc73c\ub85c \ubd84\ub9ac\ud558\ub294 \uac83\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ud3ec\ubb3c\uc120 \uc6b4\ub3d9 -&gt; \uc218\ud3c9 \uc6b4\ub3d9 + \uc218\uc9c1 \uc6b4\ub3d9<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc218\ud3c9 \ubc29\ud5a5\uc5d0\ub294 \uc911\ub825 \uac00\uc18d\ub3c4\uac00 \uc5c6\ub2e4\uace0 \uac00\uc815\ud558\uba74<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>a_x = 0<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ubbc0\ub85c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>v_x = v_0x<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac00 \uc77c\uc815\ud558\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc218\uc9c1 \ubc29\ud5a5\uc5d0\ub294 \uc911\ub825\uc774 \uc791\uc6a9\ud558\ubbc0\ub85c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>a_y = -g<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub530\ub77c\uc11c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>x = x_0 + v_0x t<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>y = y_0 + v_0y t - 1\/2gt\u00b2<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac00 \ub41c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucd08\uae30 \uc18d\ub3c4 <code>v_0<\/code>\ub97c \ubc1c\uc0ac\uac01 <code>\u03b8<\/code>\ub85c \ubd84\ud574\ud558\uba74<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>v_0x = v_0 cos\u03b8<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>v_0y = v_0 sin\u03b8<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac19\uc740 \ub192\uc774\uc5d0\uc11c \ubc1c\uc0ac\ud558\uace0 \ucc29\uc9c0\ud55c\ub2e4\uace0 \uac00\uc815\ud558\uba74 \uc8fc\uc694 \uacf5\uc2dd\uc740<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ube44\ud589 \uc2dc\uac04 = 2v_0 sin\u03b8 \/ g<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ucd5c\uace0\uc810 \ub192\uc774 = v_0\u00b2 sin\u00b2\u03b8 \/ 2g<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc218\ud3c9 \ub3c4\ub2ec \uac70\ub9ac = v_0\u00b2 sin(2\u03b8) \/ g<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud3ec\ubb3c\uc120 \uc6b4\ub3d9\uc744 \uc774\ud574\ud560 \ub54c \uacf5\uc2dd \uc790\uccb4\ubcf4\ub2e4 <strong>\ucd95\uc744 \ubd84\ub9ac\ud558\ub294 \uac83<\/strong>\uc774 \uc911\uc694\ud558\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>x\ucd95 -&gt; \ub4f1\uc18d\ub3c4 \uc6b4\ub3d9<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>y\ucd95 -&gt; \ub4f1\uac00\uc18d\ub3c4 \uc6b4\ub3d9<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ub450 \uc6b4\ub3d9\uc744 \ud569\uce58\uba74 \ud3ec\ubb3c\uc120 \uada4\uc801\uc774 \ub098\uc628\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\uc0c1\ub300 \uc6b4\ub3d9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc0c1\ub300 \uc6b4\ub3d9(Relative Motion)<\/strong>\uc740 \uc5b4\ub5a4 \ubb3c\uccb4\uc758 \uc6b4\ub3d9\uc744 \ub2e4\ub978 \ubb3c\uccb4\ub97c \uae30\uc900\uc73c\ub85c \ud45c\ud604\ud558\ub294 \uac83\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A\uc5d0\uc11c \ubc14\ub77c\ubcf8 B\uc758 \uc704\uce58\ub294<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>r_B\/A = r_B - r_A<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc0c1\ub300 \uc18d\ub3c4\ub294<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>v_B\/A = v_B - v_A<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc0c1\ub300 \uac00\uc18d\ub3c4\ub294<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>a_B\/A = a_B - a_A<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>v_A = 10 m\/s<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>v_B = 6 m\/s<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\uace0 \uac19\uc740 \ubc29\ud5a5\uc73c\ub85c \uc6c0\uc9c1\uc778\ub2e4\uba74<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>v_B\/A = 6 - 10 = -4 m\/s<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A\uac00 \ubc14\ub77c\ubcfc \ub54c B\ub294 \ubc18\ub300 \ubc29\ud5a5\uc73c\ub85c <code>4 m\/s<\/code>\uc758 \uc18d\ub3c4\ub85c \uc6c0\uc9c1\uc774\ub294 \uac83\ucc98\ub7fc \ubcf4\uc778\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc18\ub300\ub85c \uc11c\ub85c \ub9c8\uc8fc \ubcf4\uace0 \uc6c0\uc9c1\uc774\uba74 \uc0c1\ub300 \uc18d\ub3c4\ub294 \ud569\uccd0\uc9c4\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>v_relative = v_A + v_B<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc0c1\ub300 \uc6b4\ub3d9\uc740 \uac8c\uc784\uc5d0\uc11c\ub3c4 \uc911\uc694\ud558\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ud50c\ub808\uc774\uc5b4 \uc18d\ub3c4 - \ud50c\ub7ab\ud3fc \uc18d\ub3c4 -&gt; \ud50c\ub808\uc774\uc5b4\uc758 \ud50c\ub7ab\ud3fc \uae30\uc900 \uc0c1\ub300 \uc18d\ub3c4<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ud22c\uc0ac\uccb4 \uc18d\ub3c4 - \ubaa9\ud45c\ubb3c \uc18d\ub3c4 -&gt; \ud22c\uc0ac\uccb4\uc640 \ubaa9\ud45c\ubb3c\uc758 \uc0c1\ub300 \uc18d\ub3c4<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uce74\uba54\ub77c \uc18d\ub3c4 - \uc6d4\ub4dc \uc624\ube0c\uc81d\ud2b8 \uc18d\ub3c4 -&gt; \ud654\uba74\uc0c1 \uc0c1\ub300 \uc6b4\ub3d9<\/code><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\uc6b4\ub3d9\ud559\uc758 \ud575\uc2ec \uad00\uacc4<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc6b4\ub3d9\ud559\uc5d0\uc11c \uac00\uc7a5 \uc911\uc694\ud55c \uad00\uacc4\ub294 \ub2e4\uc74c\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc704\uce58 x(t) -&gt; \ubbf8\ubd84 -&gt; \uc18d\ub3c4 v(t) -&gt; \ubbf8\ubd84 -&gt; \uac00\uc18d\ub3c4 a(t)<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc18\ub300\ub85c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uac00\uc18d\ub3c4 a(t) -&gt; \uc801\ubd84 -&gt; \uc18d\ub3c4 v(t) -&gt; \uc801\ubd84 -&gt; \uc704\uce58 x(t)<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc989,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>a = dv\/dt<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>v = dx\/dt<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub4f1\uac00\uc18d\ub3c4\uc5d0\uc11c\ub294 <code>a<\/code>\uac00 \uc0c1\uc218\uc774\ubbc0\ub85c \uc774 \uad00\uacc4\ub97c \uc801\ubd84\ud558\uba74 \uc6b0\ub9ac\uac00 \uc0ac\uc6a9\ud558\ub294 \uc6b4\ub3d9 \uacf5\uc2dd\ub4e4\uc774 \ub098\uc628\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud575\uc2ec \uc815\ub9ac<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc18d\ub3c4 -&gt; \uc704\uce58\uc758 \uc2dc\uac04\uc5d0 \ub300\ud55c \ubcc0\ud654\uc728<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uac00\uc18d\ub3c4 -&gt; \uc18d\ub3c4\uc758 \uc2dc\uac04\uc5d0 \ub300\ud55c \ubcc0\ud654\uc728<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ub4f1\uc18d\ub3c4 \uc6b4\ub3d9 -&gt; v = constant -&gt; a = 0<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ub4f1\uac00\uc18d\ub3c4 \uc6b4\ub3d9 -&gt; a = constant<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ub4f1\uac00\uc18d\ub3c4 -&gt; v = v_0 + at<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ub4f1\uac00\uc18d\ub3c4 -&gt; \u0394x = v_0t + 1\/2at\u00b2<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ub4f1\uac00\uc18d\ub3c4 -&gt; v\u00b2 = v_0\u00b2 + 2a\u0394x<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc790\uc720\ub099\ud558 -&gt; a = -g<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ud3ec\ubb3c\uc120 \uc6b4\ub3d9 -&gt; \uc218\ud3c9 \ub4f1\uc18d\ub3c4 + \uc218\uc9c1 \ub4f1\uac00\uc18d\ub3c4<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc0c1\ub300 \uc704\uce58 -&gt; r_B - r_A<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc0c1\ub300 \uc18d\ub3c4 -&gt; v_B - v_A<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc0c1\ub300 \uac00\uc18d\ub3c4 -&gt; a_B - a_A<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc804\uccb4 \uad6c\uc870\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uc7a1\uc73c\uba74 \ub41c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc704\uce58 -&gt; \uc18d\ub3c4 -&gt; \uac00\uc18d\ub3c4<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uac00\uc18d\ub3c4 -&gt; \uc801\ubd84 -&gt; \uc18d\ub3c4 -&gt; \uc801\ubd84 -&gt; \uc704\uce58<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ub4f1\uc18d\ub3c4 \uc6b4\ub3d9 -&gt; a = 0<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ub4f1\uac00\uc18d\ub3c4 \uc6b4\ub3d9 -&gt; a = constant<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc790\uc720\ub099\ud558 -&gt; \ub4f1\uac00\uc18d\ub3c4 \uc6b4\ub3d9\uc758 \ud2b9\uc218\ud55c \uacbd\uc6b0<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\ud3ec\ubb3c\uc120 \uc6b4\ub3d9 -&gt; x\ucd95 \ub4f1\uc18d\ub3c4 + y\ucd95 \ub4f1\uac00\uc18d\ub3c4<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\uc0c1\ub300 \uc6b4\ub3d9 -&gt; \uad00\uce21 \uae30\uc900\uc5d0 \ub530\ub978 \uc704\uce58\/\uc18d\ub3c4\/\uac00\uc18d\ub3c4\uc758 \ucc28\uc774<\/code><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc6b4\ub3d9\ud559\uc5d0\uc11c \uc911\uc694\ud55c \uac83\uc740 \uacf5\uc2dd\uc744 \uc678\uc6b0\ub294 \uac83\ubcf4\ub2e4 <strong>\uc88c\ud45c\ucd95\uc744 \uc815\ud558\uace0, \ucd08\uae30 \uc870\uac74\uc744 \uc815\uc758\ud558\uace0, \uac01 \ucd95\uc758 \uc6b4\ub3d9\uc744 \ubd84\ub9ac\ud55c \ub4a4 \uc704\uce58-\uc18d\ub3c4-\uac00\uc18d\ub3c4\uc758 \uad00\uacc4\ub85c \uacc4\uc0b0\ud558\ub294 \uac83<\/strong>\uc774\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc6b4\ub3d9\ud559(Kinematics)\uc740 \ubb3c\uccb4\uac00 \uc5b4\ub5bb\uac8c \uc6c0\uc9c1\uc774\ub294\uc9c0\ub97c \ub2e4\ub8e8\ub294 \ubd84\uc57c\ub2e4. \ud798\uc774\ub098 \uc9c8\ub7c9\uc758 \uc6d0\uc778\uc744 \uba3c\uc800 \ub2e4\ub8e8\uc9c0 \uc54a\ub294\ub2e4.\uc8fc\uc5b4\uc9c4 \uc2dc\uac04\uc5d0 \ubb3c\uccb4\uc758 \uc704\uce58, \uc18d\ub3c4, \uac00\uc18d\ub3c4\uac00 \uc5b4\ub5bb\uac8c \ubcc0\ud558\ub294\uc9c0\ub97c \ubd84\uc11d\ud55c\ub2e4. \ud575\uc2ec \uad00\uacc4\ub294 \ub2e4\uc74c\uacfc \uac19\ub2e4. \uc704\uce58 -&gt; \uc18d\ub3c4 -&gt; \uac00\uc18d\ub3c4 \uc18d\ub3c4 = \uc704\uce58\uc758 \uc2dc\uac04\uc5d0 \ub300\ud55c \ubcc0\ud654\uc728 \uac00\uc18d\ub3c4 = \uc18d\ub3c4\uc758 \uc2dc\uac04\uc5d0 \ub300\ud55c \ubcc0\ud654\uc728 \uc18d\ub3c4 \uc18d\ub3c4\ub294 \uc2dc\uac04\uc5d0 \ub530\ub978 \uc704\uce58\uc758 \ubcc0\ud654\uc728\uc774\ub2e4. \ud3c9\uade0 \uc18d\ub3c4\ub294 v_avg = \u0394x \/ \u0394t \uc21c\uac04 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[54],"tags":[],"class_list":["post-2125","post","type-post","status-publish","format-standard","hentry","category-physics"],"_links":{"self":[{"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/posts\/2125","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2125"}],"version-history":[{"count":1,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/posts\/2125\/revisions"}],"predecessor-version":[{"id":2126,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/posts\/2125\/revisions\/2126"}],"wp:attachment":[{"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2125"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2125"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2125"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}