\u0110\u1ee9ng tr\u00ean s\u00e0n nh\u00e0 nh\u1ea3y l\u00ean m\u1ed9t c\u00e1i, sau khi r\u01a1i xu\u1ed1ng ta v\u1eabn s\u1ebd \u1edf ch\u1ed7 c\u0169. Th\u1ebf th\u00ec khi ta \u0111\u1ee9ng trong t\u00e0u ho\u1ea3 \u0111ang ch\u1ea1y v\u1edbi t\u1ed1c \u0111\u1ed9 cao, sau khi nh\u1ea3y l\u00ean, c\u00f3 ph\u1ea3i ta c\u0169ng v\u1eabn r\u01a1i xu\u1ed1ng ch\u1ed7 c\u0169 nh\u01b0 v\u1eady ch\u0103ng?<\/p>\n\n\n\n
C\u00f3 th\u1ec3 c\u00f3 ng\u01b0\u1eddi ngh\u0129 nh\u01b0 th\u1ebf n\u00e0y: T\u00e0u ho\u1ea3 \u0111ang ch\u1ea1y v\u1edbi t\u1ed1c \u0111\u1ed9 cao, trong qu\u00e3ng th\u1eddi gian sau khi con ng\u01b0\u1eddi nh\u1ea3y l\u00ean, t\u00e0u ho\u1ea3 \u0111\u00e3 ch\u1ea1y \u0111\u01b0\u1ee3c m\u1ed9t \u0111o\u1ea1n, con ng\u01b0\u1eddi ph\u1ea3i r\u01a1i xu\u1ed1ng \u1edf ch\u1ed7 l\u00f9i l\u1ea1i m\u1ed9t \u00edt. T\u00e0u ho\u1ea3 ch\u1ea1y c\u00e0ng nhanh, kho\u1ea3ng c\u00e1ch so v\u1edbi ch\u1ed7 c\u0169 sau khi r\u01a1i xu\u1ed1ng c\u00e0ng xa. Song s\u1ef1 th\u1ef1c cho ch\u00fang ta bi\u1ebft: Khi t\u00e0u ho\u1ea3 \u0111ang ch\u1ea1y v\u1edbi t\u1ed1c \u0111\u1ed9 cao, sau khi nh\u1ea3y l\u00ean v\u1eabn r\u01a1i \u0111\u00fang v\u00e0o ch\u1ed7 c\u0169. V\u00ec sao l\u1ea1i nh\u01b0 th\u1ebf nh\u1ec9?<\/p>\n\n\n\n
Nguy\u00ean nh\u00e2n l\u00e0 b\u1ea5t c\u1ee9 v\u1eadt th\u1ec3 n\u00e0o c\u0169ng \u0111\u1ec1u c\u00f3 qu\u00e1n t\u00ednh. Chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a v\u1eadt th\u1ec3 ph\u1ea3i tu\u00e2n theo \u0111\u1ecbnh lu\u1eadt qu\u00e1n t\u00ednh. N\u1ed9i dung c\u1ee7a \u0111\u1ecbnh lu\u1eadt qu\u00e1n t\u00ednh (t\u1ee9c l\u00e0 \u0111\u1ecbnh lu\u1eadt th\u1ee9 nh\u1ea5t c\u1ee7a Newton): Trong \u0111i\u1ec1u ki\u1ec7n kh\u00f4ng ch\u1ecbu t\u00e1c \u0111\u1ed9ng c\u1ee7a ngo\u1ea1i l\u1ef1c, tr\u1ea1ng th\u00e1i chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a v\u1eadt th\u1ec3 s\u1ebd kh\u00f4ng thay \u0111\u1ed5i. Khi t\u00e0u ho\u1ea3 \u0111ang ch\u1ea1y v\u1edbi t\u1ed1c \u0111\u1ed9 cao, cho d\u00f9 con ng\u01b0\u1eddi \u0111\u1ee9ng y\u00ean, nh\u01b0ng tr\u00ean th\u1ef1c t\u1ebf ng\u01b0\u1eddi \u1ea5y \u0111\u00e3 lao v\u1ec1 ph\u00eda tr\u01b0\u1edbc c\u00f9ng v\u1edbi t\u00e0u ho\u1ea3, v\u1edbi c\u00f9ng m\u1ed9t t\u1ed1c \u0111\u1ed9 nh\u01b0 c\u1ee7a t\u00e0u ho\u1ea3. Khi ng\u01b0\u1eddi \u1ea5y nh\u1ea3y l\u00ean, v\u1eabn lao v\u1ec1 ph\u00eda tr\u01b0\u1edbc c\u00f9ng t\u00e0u ho\u1ea3 v\u1edbi c\u00f9ng m\u1ed9t t\u1ed1c \u0111\u1ed9. V\u00ec v\u1eady, khi ng\u01b0\u1eddi \u1ea5y r\u01a1i xu\u1ed1ng v\u1eabn l\u00e0 ch\u1ed7 c\u0169.<\/p>\n\n\n\n
\u0110\u00e3 t\u1eebng c\u00f3 ng\u01b0\u1eddi ngh\u0129 ra m\u1ed9t \u00fd “tuy\u1ec7t di\u1ec7u”. Anh ta n\u00f3i: ch\u1ec9 c\u1ea7n t\u00f4i ng\u1ed3i l\u00ean kh\u00ed c\u1ea7u bay l\u00ean cao, do s\u1ef1 t\u1ef1 quay c\u1ee7a Tr\u00e1i \u0110\u1ea5t, t\u00f4i c\u00f3 th\u1ec3 tr\u00f4ng th\u1ea5y m\u1eb7t \u0111\u1ea5t \u1edf ph\u00eda d\u01b0\u1edbi d\u1ecbch chuy\u1ec3n nhanh ch\u00f3ng. N\u1ebfu bay l\u00ean t\u1eeb Th\u01b0\u1ee3ng H\u1ea3i, d\u1eebng \u1edf tr\u00ean kh\u00f4ng kho\u1ea3ng m\u1ed9t gi\u1edd r\u01b0\u1ee1i r\u1ed3i l\u1ea1i h\u1ea1 xu\u1ed1ng, ch\u1eb3ng ph\u1ea3i l\u00e0 \u0111\u00e3 \u0111\u1ebfn th\u00e0nh La Sa c\u1ee7a Khu t\u1ef1 tr\u1ecb T\u00e2y T\u1ea1ng hay sao? R\u00f5 r\u00e0ng \u0111\u00f3 l\u00e0 chuy\u1ec7n kh\u00f4ng th\u1ec3 x\u1ea3y ra. V\u00ec r\u1eb1ng m\u1ecdi v\u1eadt xung quanh Tr\u00e1i \u0110\u1ea5t nh\u01b0 con ng\u01b0\u1eddi, kh\u00ed c\u1ea7u, kh\u00f4ng kh\u00ed\u2026 \u0111\u1ec1u quay c\u00f9ng Tr\u00e1i \u0110\u1ea5t m\u00e0!<\/p>\n\n\n\n
Kh\u00f4ng n\u01a1i n\u00e0o l\u00e0 kh\u00f4ng c\u00f3 qu\u00e1n t\u00ednh. Khi m\u1ed9t chi\u1ebfc \u00f4 t\u00f4 \u0111ang ch\u1ea1y r\u1ea5t nhanh, b\u1ed7ng nhi\u00ean phanh g\u1ea5p l\u1ea1i, ng\u01b0\u1eddi trong xe \u0111\u1ec1u b\u1ecb x\u00f4 v\u1ec1 ph\u00eda tr\u01b0\u1edbc, khi xe b\u1ed7ng nhi\u00ean kh\u1edfi \u0111\u1ed9ng, ng\u01b0\u1eddi trong xe l\u1ea1i ng\u1ea3 v\u1ec1 ph\u00eda sau. \u0110\u00f3 \u0111\u1ec1u l\u00e0 do qu\u00e1n t\u00ednh.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: Qu\u00e1n t\u00ednh; \u0110\u1ecbnh lu\u1eadt qu\u00e1n t\u00ednh; \u0110\u1ecbnh lu\u1eadt th\u1ee9 nh\u1ea5t c\u1ee7a Newton.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
\u0110\u1ee9ng tr\u00ean s\u00e0n nh\u00e0 nh\u1ea3y l\u00ean m\u1ed9t c\u00e1i, sau khi r\u01a1i xu\u1ed1ng ta v\u1eabn s\u1ebd \u1edf ch\u1ed7 c\u0169. Th\u1ebf th\u00ec khi ta \u0111\u1ee9ng trong t\u00e0u ho\u1ea3 \u0111ang ch\u1ea1y v\u1edbi t\u1ed1c \u0111\u1ed9 cao, sau khi nh\u1ea3y l\u00ean, c\u00f3 ph\u1ea3i ta c\u0169ng v\u1eabn r\u01a1i xu\u1ed1ng ch\u1ed7 c\u0169 nh\u01b0 v\u1eady ch\u0103ng? C\u00f3 th\u1ec3 c\u00f3 ng\u01b0\u1eddi ngh\u0129 nh\u01b0 th\u1ebf […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,7],"tags":[],"class_list":["post-5540","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-vat-ly"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/5540","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=5540"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/5540\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=5540"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=5540"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=5540"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}