S\u00fang v\u1eeba b\u1ea5m c\u00f2, vi\u00ean \u0111\u1ea1n \u0111\u00e3 “v\u00e8o” m\u1ed9t c\u00e1i bay \u0111i, \u0111\u1ed3ng th\u1eddi c\u00f3 ti\u1ebfng n\u1ed5 r\u1ea5t l\u1edbn ph\u00e1t ra. Khi vi\u00ean \u0111\u1ea1n \u0111ang bay, n\u00f3 kh\u00f4ng ng\u1eebng va \u0111\u1eadp v\u00e0o kh\u00f4ng kh\u00ed, \u0111\u1ed3ng th\u1eddi k\u00e8m theo ti\u1ebfng veo v\u00e9o.<\/p>\n\n\n\n
C\u00f3 ng\u01b0\u1eddi n\u00f3i, t\u1ed1c \u0111\u1ed9 vi\u00ean \u0111\u1ea1n l\u00fac ra kh\u1ecfi n\u00f2ng l\u00e0 900 m\/s, t\u1ed1c \u0111\u1ed9 lan truy\u1ec1n c\u1ee7a \u00e2m thanh trong kh\u00f4ng kh\u00ed n\u00f3i chung l\u00e0 340 m\/s. T\u1ed1c \u0111\u1ed9 vi\u00ean \u0111\u1ea1n l\u1edbn h\u01a1n g\u1ea5p \u0111\u00f4i t\u1ed1c \u0111\u1ed9 \u00e2m thanh n\u00ean c\u1ed1 nhi\u00ean l\u00e0 vi\u00ean \u0111\u1ea1n chuy\u1ec3n \u0111\u1ed9ng nhanh h\u01a1n.<\/p>\n\n\n\n
C\u00f3 th\u1eadt nh\u01b0 v\u1eady kh\u00f4ng? Ch\u00fang ta h\u00e3y xem l\u1ea1i m\u1ed9t ch\u00fat: trong qu\u00e1 tr\u00ecnh bay, vi\u00ean \u0111\u1ea1n kh\u00f4ng ng\u1eebng ma s\u00e1t v\u1edbi kh\u00f4ng kh\u00ed, t\u1ed1c \u0111\u1ed9 c\u1ee7a n\u00f3 s\u1ebd ng\u00e0y c\u00e0ng ch\u1eadm l\u1ea1i, c\u00f2n t\u1ed1c \u0111\u1ed9 c\u1ee7a ti\u1ebfng n\u1ed5 trong kh\u00f4ng kh\u00ed n\u00f3i chung l\u1ea1i r\u1ea5t \u00edt bi\u1ebfn \u0111\u1ed5i. V\u1eady th\u00ec r\u1ed1t cu\u1ed9c c\u00e1i n\u00e0o chuy\u1ec3n \u0111\u1ed9ng nhanh h\u01a1n?<\/p>\n\n\n\n
Ch\u00fang ta h\u00e3y xem xem cu\u1ed9c \u0111ua t\u00e0i gi\u1eefa vi\u00ean \u0111\u1ea1n v\u00e0 ti\u1ebfng n\u1ed5 di\u1ec5n ra nh\u01b0 th\u1ebf n\u00e0o?<\/p>\n\n\n\n
\u1ede giai \u0111o\u1ea1n \u0111\u1ea7u, kho\u1ea3ng c\u00e1ch t\u1eeb ch\u1ed7 vi\u00ean \u0111\u1ea1n r\u1eddi kh\u1ecfi n\u00f2ng s\u00fang \u0111\u1ebfn 600 m, t\u1ed1c \u0111\u1ed9 bay trung b\u00ecnh c\u1ee7a vi\u00ean \u0111\u1ea1n v\u00e0o kho\u1ea3ng 450 m\/s. Vi\u00ean \u0111\u1ea1n chuy\u1ec3n \u0111\u1ed9ng nhanh h\u01a1n ti\u1ebfng n\u1ed5 r\u1ea5t nhi\u1ec1u, b\u1ecf xa \u0111\u1ed1i th\u1ee7. Trong kho\u1ea3ng c\u00e1ch n\u00e0y, n\u1ebfu nghe th\u1ea5y ti\u1ebfng s\u00fang th\u00ec vi\u00ean \u0111\u1ea1n s\u1edbm \u0111\u00e3 v\u01b0\u1ee3t qua b\u1ea1n, bay v\u1ec1 ph\u00eda tr\u01b0\u1edbc r\u1ed3i.<\/p>\n\n\n\n
\u1ede giai \u0111o\u1ea1n hai, trong kho\u1ea3ng c\u00e1ch t\u1eeb 600 m \u0111\u1ebfn 900 m, do l\u1ef1c c\u1ea3n c\u1ee7a kh\u00f4ng kh\u00ed l\u00e0m cho t\u1ed1c \u0111\u1ed9 vi\u00ean \u0111\u1ea1n ch\u1eadm l\u1ea1i, vi\u00ean \u0111\u1ea1n kh\u00f4ng chuy\u1ec3n \u0111\u1ed9ng nhanh h\u01a1n ti\u1ebfng n\u1ed5 \u0111\u01b0\u1ee3c n\u1eefa. Khi \u1ea5y ti\u1ebfng n\u1ed5 \u0111\u00e3 d\u1ea7n d\u00e0 \u0111u\u1ed5i k\u1ecbp, hai k\u1ebb ch\u1ea1y \u0111ua h\u1ea7u nh\u01b0 vai k\u1ec1 vai t\u1edbi v\u1ea1ch 900 m.<\/p>\n\n\n\n
\u1ede giai \u0111o\u1ea1n ba, t\u1eeb 900 m tr\u1edf \u0111i, vi\u00ean \u0111\u1ea1n bay ng\u00e0y c\u00e0ng ch\u1eadm, ti\u1ebfng n\u1ed5 l\u1ea5n l\u01b0\u1edbt h\u01a1n v\u00e0 r\u1ed3i v\u01b0\u1ee3t qua vi\u00ean \u0111\u1ea1n. \u0110\u1ebfn v\u1ea1ch 1200 m, vi\u00ean \u0111\u1ea1n s\u1ee9c c\u00f9ng l\u1ef1c ki\u1ec7t, c\u00f2n ti\u1ebfng n\u1ed5 th\u00ec v\u1eabn chuy\u1ec3n \u0111\u1ed9ng xa \u0111\u1eb1ng tr\u01b0\u1edbc. Khi \u1ea5y, n\u1ebfu b\u1ea1n nghe th\u1ea5y ti\u1ebfng s\u00fang th\u00ec vi\u00ean \u0111\u1ea1n c\u00f2n ch\u01b0a k\u1ecbp \u0111\u1ebfn tr\u01b0\u1edbc m\u1eb7t!<\/p>\n\n\n\n
K\u1ebft qu\u1ea3 l\u00e0: vi\u00ean \u0111\u1ea1n ch\u1ec9 c\u00f3 th\u1ec3 gi\u00e0nh \u0111\u01b0\u1ee3c qu\u00e1n qu\u00e2n trong ph\u1ea1m vi 900 m, c\u00f2n ng\u00f4i qu\u00e1n qu\u00e2n chung cu\u1ed9c l\u1ea1i thu\u1ed9c v\u1ec1 ti\u1ebfng n\u1ed5.<\/p>\n\n\n\n
T\u1eeb kh\u00f3a: Ti\u1ebfng n\u1ed5; Vi\u00ean \u0111\u1ea1n.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
S\u00fang v\u1eeba b\u1ea5m c\u00f2, vi\u00ean \u0111\u1ea1n \u0111\u00e3 “v\u00e8o” m\u1ed9t c\u00e1i bay \u0111i, \u0111\u1ed3ng th\u1eddi c\u00f3 ti\u1ebfng n\u1ed5 r\u1ea5t l\u1edbn ph\u00e1t ra. Khi vi\u00ean \u0111\u1ea1n \u0111ang bay, n\u00f3 kh\u00f4ng ng\u1eebng va \u0111\u1eadp v\u00e0o kh\u00f4ng kh\u00ed, \u0111\u1ed3ng th\u1eddi k\u00e8m theo ti\u1ebfng veo v\u00e9o. C\u00f3 ng\u01b0\u1eddi n\u00f3i, t\u1ed1c \u0111\u1ed9 vi\u00ean \u0111\u1ea1n l\u00fac ra kh\u1ecfi n\u00f2ng l\u00e0 900 m\/s, […]<\/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-5614","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\/5614","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=5614"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/5614\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=5614"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=5614"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=5614"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}