{"id":2177,"date":"2017-06-14T15:26:27","date_gmt":"2017-06-14T12:26:27","guid":{"rendered":"https:\/\/stwww1.weizmann.ac.il\/communication\/?page_id=2177"},"modified":"2017-06-14T15:26:40","modified_gmt":"2017-06-14T12:26:40","slug":"%d7%9e%d7%99%d7%93%d7%a2-%d7%a0%d7%95%d7%a1%d7%a3-%d7%a2%d7%9c-%d7%9e%d7%94%d7%99%d7%a8%d7%95%d7%aa-%d7%94%d7%a7%d7%95%d7%9c","status":"publish","type":"page","link":"https:\/\/stwww1.weizmann.ac.il\/communication\/?page_id=2177","title":{"rendered":"\u05de\u05d9\u05d3\u05e2 \u05e0\u05d5\u05e1\u05e3 \u05e2\u05dc \u05de\u05d4\u05d9\u05e8\u05d5\u05ea \u05d4\u05e7\u05d5\u05dc"},"content":{"rendered":"

\u05de\u05de\u05d3\u05d9\u05d3\u05d5\u05ea, \u05e0\u05de\u05e6\u05d0 \u05db\u05d9 \u05de\u05d4\u05d9\u05e8\u05d5\u05ea \u05d4\u05ea\u05e7\u05d3\u05de\u05d5\u05ea \u05d2\u05dc\u05d9 \u05d4\u05e7\u05d5\u05dc \u05d1\u05d0\u05d5\u05d5\u05d9\u05e8 \u05ea\u05dc\u05d5\u05d9\u05d4 \u05d1\u05d8\u05de\u05e4\u05e8\u05d8\u05d5\u05e8\u05d4<\/strong><\/span>.<\/p>\n

\u05de\u05d4\u05d9\u05e8\u05d5\u05ea \u05d4\u05e7\u05d5\u05dc \u05d2\u05d3\u05dc\u05d4 \u05d1\u05e2\u05e8\u05da \u05d1 60 \u05e1\u05e0\u05d8\u05d9\u05de\u05d8\u05e8 (0.6 \u05de\u05d8\u05e8) \u05d1\u05e9\u05e0\u05d9\u05d9\u05d4, \u05e2\u05d1\u05d5\u05e8 \u05db\u05dc \u05e2\u05dc\u05d9\u05d4 \u05e9\u05dc 1 \u05de\u05e2\u05dc\u05ea \u05e6\u05dc\u05e1\u05d9\u05d5\u05e1.<\/strong><\/span><\/p>\n

\u05d4\u05e0\u05d5\u05e1\u05d7\u05d4 \u05d4\u05de\u05ea\u05d0\u05e8\u05ea \u05db\u05d9\u05e6\u05d3 \u05de\u05d4\u05d9\u05e8\u05d5\u05ea \u05d4\u05e7\u05d5\u05dc \u05d1\u05d0\u05d5\u05d5\u05d9\u05e8 (v), \u05ea\u05dc\u05d5\u05d9\u05d4 \u05d1\u05d8\u05de\u05e4\u05e8\u05d8\u05d5\u05e8\u05d4<\/strong><\/span>:<\/p>\n

v = v0<\/sub>sqrt(T\/T0<\/sub>)<\/strong><\/p>\n

T<\/strong> = \u05d8\u05de\u05e4\u05e8\u05d8\u05d5\u05e8\u05ea \u05d4\u05d0\u05d5\u05d5\u05d9\u05e8 \u05d1\u05de\u05e2\u05dc\u05d5\u05ea \u05e7\u05dc\u05d5\u05d5\u05d9\u05df [0<\/sup>K].<\/p>\n

\u05de\u05d2\u05d3\u05d9\u05e8\u05d9\u05dd<\/strong> <\/span>\u05d0\u05ea \u05de\u05d4\u05d9\u05e8\u05d5\u05ea \u05d4\u05d0\u05d5\u05d5\u05d9\u05e8 \u05d1\u05d8\u05de\u05e4\u05e8\u05d8\u05d5\u05e8\u05d4 \u05e9\u05dc 200<\/sup> \u05e6\u05dc\u05e1\u05d9\u05d5\u05e1<\/strong><\/span>, \u05db\u05d8\u05de\u05e4\u05e8\u05d8\u05d5\u05e8\u05ea \u05d9\u05d9\u05d7\u05d5\u05e1, \u05d1\u05d4 \u05de\u05d4\u05d9\u05e8\u05d5\u05ea \u05d4\u05e7\u05d5\u05dc \u05e9\u05d5\u05d5\u05d4 \u05dc 344 \u05de\u05d8\u05e8\u05d9\u05dd \u05d1\u05e9\u05e0\u05d9\u05d9\u05d4<\/strong><\/span>.<\/p>\n

V = 344sqrt(T\/(273+20)) = 20.1sqrt(T) [m\/s]<\/p>\n

\u05d1\u05d8\u05d1\u05dc\u05d4 \u05d4\u05d1\u05d0\u05d4, \u05de\u05e4\u05d5\u05e8\u05d8\u05ea \u05de\u05d4\u05d9\u05e8\u05d5\u05ea \u05d4\u05e7\u05d5\u05dc \u05d1\u05d0\u05d5\u05d5\u05d9\u05e8 (\u05d1\u05de\u05d8\u05e8\u05d9\u05dd \u05dc\u05e9\u05e0\u05d9\u05d9\u05d4 \u05d5\u05d1\u05e7\u05d9\u05dc\u05d5\u05de\u05d8\u05e8\u05d9\u05dd \u05dc\u05e9\u05e2\u05d4) \u05d1\u05de\u05e1\u05e4\u05e8 \u05d8\u05de\u05e4\u05e8\u05d8\u05d5\u05e8\u05d5\u05ea<\/strong><\/span>:<\/p>\n\n\n\n\n\n\n\n
\u00a0[v [Km\/s<\/th>\n\u00a0[v [m\/s<\/th>\nT [0<\/sup>K]<\/th>\n<\/tr>\n
1,197<\/td>\n332.5<\/td>\n0<\/td>\n<\/tr>\n
\u00a01,238<\/td>\n344<\/td>\n20<\/td>\n<\/tr>\n
1,242<\/td>\n345<\/td>\n21<\/td>\n<\/tr>\n
1,389<\/td>\n386<\/td>\n100<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

\u05de\u05de\u05d3\u05d9\u05d3\u05d5\u05ea, \u05e0\u05de\u05e6\u05d0 \u05db\u05d9 \u05de\u05d4\u05d9\u05e8\u05d5\u05ea \u05d4\u05ea\u05e7\u05d3\u05de\u05d5\u05ea \u05d2\u05dc\u05d9 \u05d4\u05e7\u05d5\u05dc \u05d1\u05d0\u05d5\u05d5\u05d9\u05e8 \u05ea\u05dc\u05d5\u05d9\u05d4 \u05d1\u05d8\u05de\u05e4\u05e8\u05d8\u05d5\u05e8\u05d4. \u05de\u05d4\u05d9\u05e8\u05d5\u05ea \u05d4\u05e7\u05d5\u05dc \u05d2\u05d3\u05dc\u05d4 \u05d1\u05e2\u05e8\u05da \u05d1 60 \u05e1\u05e0\u05d8\u05d9\u05de\u05d8\u05e8 (0.6 \u05de\u05d8\u05e8) \u05d1\u05e9\u05e0\u05d9\u05d9\u05d4, \u05e2\u05d1\u05d5\u05e8 \u05db\u05dc \u05e2\u05dc\u05d9\u05d4 \u05e9\u05dc 1 \u05de\u05e2\u05dc\u05ea \u05e6\u05dc\u05e1\u05d9\u05d5\u05e1. \u05d4\u05e0\u05d5\u05e1\u05d7\u05d4 \u05d4\u05de\u05ea\u05d0\u05e8\u05ea \u05db\u05d9\u05e6\u05d3 \u05de\u05d4\u05d9\u05e8\u05d5\u05ea \u05d4\u05e7\u05d5\u05dc \u05d1\u05d0\u05d5\u05d5\u05d9\u05e8 (v), \u05ea\u05dc\u05d5\u05d9\u05d4 \u05d1\u05d8\u05de\u05e4\u05e8\u05d8\u05d5\u05e8\u05d4: v = v0sqrt(T\/T0) T … \u05dc\u05d4\u05de\u05e9\u05da \u05e7\u05e8\u05d9\u05d0\u05d4 ←<\/span><\/a><\/p>\n","protected":false},"author":5,"featured_media":0,"parent":0,"menu_order":5,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-2177","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/stwww1.weizmann.ac.il\/communication\/index.php?rest_route=\/wp\/v2\/pages\/2177"}],"collection":[{"href":"https:\/\/stwww1.weizmann.ac.il\/communication\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/stwww1.weizmann.ac.il\/communication\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/stwww1.weizmann.ac.il\/communication\/index.php?rest_route=\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/stwww1.weizmann.ac.il\/communication\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2177"}],"version-history":[{"count":2,"href":"https:\/\/stwww1.weizmann.ac.il\/communication\/index.php?rest_route=\/wp\/v2\/pages\/2177\/revisions"}],"predecessor-version":[{"id":2179,"href":"https:\/\/stwww1.weizmann.ac.il\/communication\/index.php?rest_route=\/wp\/v2\/pages\/2177\/revisions\/2179"}],"wp:attachment":[{"href":"https:\/\/stwww1.weizmann.ac.il\/communication\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2177"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}