{"id":1257,"date":"2024-01-14T21:55:21","date_gmt":"2024-01-14T14:55:21","guid":{"rendered":"https:\/\/pancaedu.site\/?p=1257"},"modified":"2024-01-14T21:55:21","modified_gmt":"2024-01-14T14:55:21","slug":"apa-yang-terjadi-jika-benda-bergerak-mendekati-kecepatan-cahaya","status":"publish","type":"post","link":"https:\/\/pancaedu.site\/en\/apa-yang-terjadi-jika-benda-bergerak-mendekati-kecepatan-cahaya\/","title":{"rendered":"Apa yang terjadi jika benda bergerak mendekati kecepatan cahaya ??"},"content":{"rendered":"

Menurut fisika modern, jika sebuah benda (yang memiliki massa saat diam) bergerak sangat cepat hampir sama dengan kecepatan cahaya, maka kita yang diam akan melihat bahwa benda itu :<\/p>\n

    \n
  1. Massanya semakin bertambah, dan saat mencapai kecepatan cahaya, massanya menjadi tak terhingga.<\/li>\n
  2. Sesuai dengan rumus E=mc2, energi yang diperlukan untuk menggerakkan benda itu semakin besar, dan saat mencapai kecepatan cahaya, energi yang dibutuhkan menjadi tak terhingga (yang mustahil untuk dihasilkan).<\/li>\n
  3. Panjangnya semakin menyusut searah dengan geraknya, dan saat mencapai kecepatan cahaya, panjangnya menjadi nol (volume = 0)<\/li>\n
  4. Bergerak semakin lambat, dan pada kecepatan cahaya, dia tampak diam.<\/li>\n<\/ol>\n
    \n

    Benda itu sendiri akan merasakan bahwa:<\/p>\n

      \n
    1. Kecepatannya semakin melambat. Saat mencapai kecepatan cahaya,\u00a0 dia merasa diam saja.<\/li>\n
    2. \u201cTunnel vision\u201d: jika benda itu bisa melihat, semua sumber cahaya (sebenarnya foton) akan semakin merapat, sampai saat mencapai kecepatan cahaya, semua sumber cahaya tampak berasal dari satu titik di depannya, bahkan yang seharusnya ada di belakangnya. Ini terjadi karena benda tersebut telah berkecepatan sama dengan si cahaya.<\/li>\n
    3. Jika benda tersebut bisa melihat, segala sumber cahaya \u201cdi depan\u201d dirinya akan semakin terlihat biru, dan segala sumber cahaya \u201cdi belakang\u201d-nya akan semakin terlihat merah. Pada kecepatan cahaya, pergeseran frekuensi gelombang elektromagnetik ini (yang disebut dengan efek Doppler; pada praktiknya sama seperti perbedaan bunyi sirine yang mendatangi lalu menjauhi kita) mengakibatkan tak ada lagi sumber cahaya yang bisa ia lihat baik di depan maupun belakangnya, karena semua frekuensi gelombang cahaya tersebut telah bergeser ke frekuensi gelombang elektromagnetik tak kasat mata.<\/li>\n<\/ol>\n

       <\/p>","protected":false},"excerpt":{"rendered":"

      Menurut fisika modern, jika sebuah benda (yang memiliki massa saat diam) bergerak sangat cepat hampir sama dengan kecepatan cahaya, maka kita yang diam akan melihat bahwa benda itu : Massanya semakin bertambah, dan saat mencapai kecepatan cahaya, massanya menjadi tak terhingga. Sesuai dengan rumus E=mc2, energi yang diperlukan untuk menggerakkan benda itu semakin besar, dan […]<\/p>","protected":false},"author":1,"featured_media":1258,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[53,3,41],"tags":[],"class_list":["post-1257","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-e-learning","category-mipa","category-tanya-mengapa"],"yoast_head":"\nApa yang terjadi jika benda bergerak mendekati kecepatan cahaya ?? - pancaedu<\/title>\n<meta name=\"description\" content=\"Menurut fisika modern, jika sebuah benda (yang memiliki massa saat diam) bergerak sangat cepat hampir sama dengan kecepatan cahaya, maka Massanya semakin bertambah\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/pancaedu.site\/en\/apa-yang-terjadi-jika-benda-bergerak-mendekati-kecepatan-cahaya\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Apa yang terjadi jika benda bergerak mendekati kecepatan cahaya ?? - pancaedu\" \/>\n<meta property=\"og:description\" content=\"Menurut fisika modern, jika sebuah benda (yang memiliki massa saat diam) bergerak sangat cepat hampir sama dengan kecepatan cahaya, maka Massanya semakin bertambah\" \/>\n<meta property=\"og:url\" content=\"https:\/\/pancaedu.site\/en\/apa-yang-terjadi-jika-benda-bergerak-mendekati-kecepatan-cahaya\/\" \/>\n<meta property=\"og:site_name\" content=\"pancaedu\" \/>\n<meta property=\"article:published_time\" content=\"2024-01-14T14:55:21+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/pancaedu.site\/wp-content\/uploads\/2024\/01\/Screenshot-2024-01-14-215326.png\" \/>\n\t<meta property=\"og:image:width\" content=\"315\" \/>\n\t<meta property=\"og:image:height\" content=\"247\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/pancaedu.site\\\/apa-yang-terjadi-jika-benda-bergerak-mendekati-kecepatan-cahaya\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/pancaedu.site\\\/apa-yang-terjadi-jika-benda-bergerak-mendekati-kecepatan-cahaya\\\/\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\\\/\\\/pancaedu.site\\\/#\\\/schema\\\/person\\\/ce1a7dcae9dbf5f82bae09d75f648c94\"},\"headline\":\"Apa yang terjadi jika benda bergerak mendekati kecepatan cahaya ??\",\"datePublished\":\"2024-01-14T14:55:21+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/pancaedu.site\\\/apa-yang-terjadi-jika-benda-bergerak-mendekati-kecepatan-cahaya\\\/\"},\"wordCount\":249,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/pancaedu.site\\\/#\\\/schema\\\/person\\\/ce1a7dcae9dbf5f82bae09d75f648c94\"},\"image\":{\"@id\":\"https:\\\/\\\/pancaedu.site\\\/apa-yang-terjadi-jika-benda-bergerak-mendekati-kecepatan-cahaya\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/pancaedu.site\\\/wp-content\\\/uploads\\\/2024\\\/01\\\/Screenshot-2024-01-14-215326.png\",\"articleSection\":[\"e-Learning\",\"MIPA\",\"Tanya Mengapa\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/pancaedu.site\\\/apa-yang-terjadi-jika-benda-bergerak-mendekati-kecepatan-cahaya\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/pancaedu.site\\\/apa-yang-terjadi-jika-benda-bergerak-mendekati-kecepatan-cahaya\\\/\",\"url\":\"https:\\\/\\\/pancaedu.site\\\/apa-yang-terjadi-jika-benda-bergerak-mendekati-kecepatan-cahaya\\\/\",\"name\":\"Apa yang terjadi jika benda bergerak mendekati kecepatan cahaya ?? 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