\u0110\u1ec1 thi v\u00e0 \u0111\u00e1p \u00e1n \u0111\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n L\u00fd n\u0103m 2016 c\u1ee7a THPT L\u00fd Th\u00e1i T\u1ed5 t\u1ec9nh B\u1eafc Ninh t\u1ed5 ch\u1ee9c thi th\u1eed l\u1ea7n 1 v\u00e0o ng\u00e0y 19\/1\/2016.C\u00e1c em tham kh\u1ea3o \u0111\u1ec1 v\u00e0 \u0111\u00e1p \u00e1n d\u01b0\u1edbi \u0111\u00e2y:<\/strong><\/h2>\n\nXem th\u00eam: \u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n L\u00fd<\/p>\n<\/div>\n
C\u00e2u 7<\/strong>: M\u1ed9t chi\u1ebfc \u0111\u00e0n ghita, m\u1ed9t chi\u1ebfc \u0111\u00e0n violon v\u00e0 m\u1ed9t chi\u1ebfc k\u00e8n sacxo c\u00f9ng ph\u00e1t ra m\u1ed9t n\u1ed1t la \u1edf c\u00f9ng \u0111\u1ed9 cao. Tai ta v\u1eabn ph\u00e2n bi\u1ec7t \u0111\u01b0\u1ee3c ba \u00e2n \u0111\u00f3 v\u00ec ch\u00fang kh\u00e1c nhau \u1edf<\/p>\nA. M\u1ee9c c\u01b0\u1eddng \u0111\u1ed9 \u00e2m B. c\u01b0\u1eddng \u0111\u1ed9 \u00e2m C. \u00e2m s\u1eafc D. t\u1ea7n s\u1ed1<\/p>\n
C\u00e2u 8<\/strong>: M\u1ed9t v\u1eadt nh\u1ecf giao d\u1ed9ng \u0111i\u1ec1u h\u00f2a theo m\u1ed9t tr\u1ee5c c\u1ed1 \u0111\u1ecbnh. Ph\u00e1t bi\u1ec3u n\u00e0o sau \u0111\u00e2y \u0111\u00fang?<\/p>\nA. L\u1ef1c k\u00e9o v\u1ec1 t\u00e1c d\u1ee5ng v\u00e0o v\u1eadt kh\u00f4ng \u0111\u1ed5i<\/p>\n
B. Qu\u1ef9 \u0111\u1ea1o chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a v\u1eadt l\u00e0 m\u1ed9t \u0111o\u1ea1n th\u1eb3ng<\/p>\n
C. Qu\u1ef9 \u0111\u1ea1o chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a v\u1eadt l\u00e0 m\u1ed9t \u0111\u01b0\u1eddng h\u00ecnh sin<\/p>\n
D. Li \u0111\u1ed9 c\u1ee7a v\u1eadt t\u1ec9 l\u1ec7 v\u1edbi th\u1eddi gian dao \u0111\u1ed9ng.<\/p>\n
C\u00e2u 9<\/strong>: con l\u1eafc \u0111\u01a1n c\u00f3 chi\u1ec1u d\u00e0i kh\u00f4ng \u0111\u1ed5i , dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a v\u1edbi chu k\u00ec T. Khi \u0111\u01b0a con l\u1eafc l\u00ean cao th\u00ec chu k\u1ef3 dao \u0111\u1ed9ng c\u1ee7a n\u00f3<\/p>\nA. Kh\u00f4ng thay \u0111\u1ed5i B. kh\u00f4ng x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c t\u0103ng hay gi\u1ea3m<\/p>\n
C. Gi\u1ea3m xu\u1ed1ng D. T\u0103ng l\u00ean<\/p>\n
C\u00e2u 10<\/strong>: M\u1ed9t t\u00ean l\u1eeda b\u1eaft \u0111\u1ea7u bay l\u00ean theo ph\u01b0\u01a1ng th\u1eb3ng \u0111\u1ee9ng v\u1edbi gia t\u1ed1c a=3g. Trong t\u00ean l\u1eeda c\u00f3 treo m\u1ed9t con l\u1eafc \u0111\u01a1n d\u00e0i l=1mm khi b\u1eaft \u0111\u1ea7u bay th\u00ec \u0111\u1ed3ng th\u1eddi k\u00edch th\u00edch cho con l\u1eafc th\u1ef1c hi\u1ec7n dao \u0111\u1ed9ng nh\u1ecf.B\u1ecf qua s\u1ef1 thay \u0111\u1ed5i gia t\u1ed1c r\u01a1i t\u1ef1 do theo \u0111\u1ed9 cao. L\u1ea5y g=10m\/s, ![](\"http:\/\/latex.codecogs.com\/gif.latex?\\pi\")
=10. \u0110\u1ebfn khi \u0111\u1ea1t \u0111\u1ed9 cao h=1500m th\u00ec con l\u1eafc \u0111\u00e3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c s\u1ed1 dao \u0111\u1ed9ng l\u00e0 :<\/p>\nA. 14 B.20 C.18 D.10<\/p>\n
C\u00e2u 11<\/strong>: M\u1ed9t m\u1ea1ch \u0111i\u1ec7n xoay chi\u1ec1u c\u00f3 u l\u00e0 \u0111i\u1ec7n \u00e1p t\u1ee9c th\u1eddi \u1edf hai \u0111\u1ea7u \u0111o\u1ea1n m\u1ea1ch v\u00e0 i l\u00e0 c\u01b0\u1eddng \u0111\u1ed9 t\u1ee9c th\u1eddi qua m\u1ea1ch. Ch\u1ecdn ph\u00e1t bi\u1ec3u \u0111\u00fang:<\/p>\nA. i lu\u00f4n lu\u00f4n bi\u1ebfn thi\u00ean s\u1edbm pha h\u01a1n u<\/p>\n
B. i v\u00e0 u lu\u00f4n bi\u1ebfn thi\u00ean ng\u01b0\u1ee3c pha<\/p>\n
C. iv\u00e0 u lu\u00f4n bi\u1ebfn thi\u00ean c\u00f9ng t\u1ea7n s\u1ed1<\/p>\n
D. i v\u00e0 u lu\u00f4n bi\u1ebfn thi\u00ean c\u00f9ng pha<\/p>\n
![](\"http:\/\/img.toanhoc247.com\/picture\/2016\/0121\/5_1.png\")
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\u0110\u00e1p \u00e1n \u0111\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n L\u00fd n\u0103m 2016 – THPT L\u00fd Th\u00e1i T\u1ed5 l\u1ea7n 1<\/strong><\/h3>\n![](\"http:\/\/img.toanhoc247.com\/picture\/2016\/0121\/6_1.png\")
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<\/strong><\/strong><\/p>\nT\u1ea5t c\u1ea3 n\u1ed9i dung b\u00e0i vi\u1ebft. C\u00e1c em h\u00e3y xem th\u00eam v\u00e0 t\u1ea3i file chi ti\u1ebft t\u1ea1i \u0111\u00e2y:<\/strong>Download<\/p>\n","protected":false},"excerpt":{"rendered":"\u0110\u1ec1 thi v\u00e0 \u0111\u00e1p \u00e1n \u0111\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n L\u00fd n\u0103m 2016 c\u1ee7a THPT L\u00fd Th\u00e1i T\u1ed5 t\u1ec9nh B\u1eafc Ninh t\u1ed5 ch\u1ee9c thi th\u1eed l\u1ea7n 1 v\u00e0o ng\u00e0y 19\/1\/2016.C\u00e1c em tham kh\u1ea3o \u0111\u1ec1 v\u00e0 \u0111\u00e1p \u00e1n d\u01b0\u1edbi \u0111\u00e2y: Xem th\u00eam: \u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n L\u00fd C\u00e2u 7: M\u1ed9t chi\u1ebfc […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[25],"tags":[],"yoast_head":"\n
\u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n L\u00fd 2016 -THPT L\u00fd Th\u00e1i T\u1ed5 l\u1ea7n 1<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lop12.edu.vn\/de-thi-thu-thpt-quoc-gia-mon-ly-2016-thpt-ly-thai-to-lan-1\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n L\u00fd 2016 -THPT L\u00fd Th\u00e1i T\u1ed5 l\u1ea7n 1\" \/>\n<meta property=\"og:description\" content=\"\u0110\u1ec1 thi v\u00e0 \u0111\u00e1p \u00e1n \u0111\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n L\u00fd n\u0103m 2016 c\u1ee7a THPT L\u00fd Th\u00e1i T\u1ed5 t\u1ec9nh B\u1eafc Ninh t\u1ed5 ch\u1ee9c thi th\u1eed l\u1ea7n 1 v\u00e0o ng\u00e0y 19\/1\/2016.C\u00e1c em tham kh\u1ea3o \u0111\u1ec1 v\u00e0 \u0111\u00e1p \u00e1n d\u01b0\u1edbi \u0111\u00e2y: Xem th\u00eam: \u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n L\u00fd C\u00e2u 7: M\u1ed9t chi\u1ebfc […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lop12.edu.vn\/de-thi-thu-thpt-quoc-gia-mon-ly-2016-thpt-ly-thai-to-lan-1\/\" \/>\n<meta property=\"og:site_name\" content=\"Lop12.edu.vn - 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C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/lop12.edu.vn\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/lop12.edu.vn\/#\/schema\/person\/8219caa3d91a087a4ce81b8b5ac734b5","name":"Lop12","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/lop12.edu.vn\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/65b2897b6a31b932be1276ba7fc18d41?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/65b2897b6a31b932be1276ba7fc18d41?s=96&d=mm&r=g","caption":"Lop12"},"sameAs":["http:\/\/www.lop12.edu.vn","www.facebook.com\/lop12.edu.vn\/"],"url":"https:\/\/lop12.edu.vn\/author\/hungld\/"}]}},"_links":{"self":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts\/1620"}],"collection":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/comments?post=1620"}],"version-history":[{"count":0,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts\/1620\/revisions"}],"wp:attachment":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/media?parent=1620"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/categories?post=1620"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/tags?post=1620"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
Xem th\u00eam: \u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n L\u00fd<\/p>\n<\/div>\n
C\u00e2u 7<\/strong>: M\u1ed9t chi\u1ebfc \u0111\u00e0n ghita, m\u1ed9t chi\u1ebfc \u0111\u00e0n violon v\u00e0 m\u1ed9t chi\u1ebfc k\u00e8n sacxo c\u00f9ng ph\u00e1t ra m\u1ed9t n\u1ed1t la \u1edf c\u00f9ng \u0111\u1ed9 cao. Tai ta v\u1eabn ph\u00e2n bi\u1ec7t \u0111\u01b0\u1ee3c ba \u00e2n \u0111\u00f3 v\u00ec ch\u00fang kh\u00e1c nhau \u1edf<\/p>\n A. M\u1ee9c c\u01b0\u1eddng \u0111\u1ed9 \u00e2m B. c\u01b0\u1eddng \u0111\u1ed9 \u00e2m C. \u00e2m s\u1eafc D. t\u1ea7n s\u1ed1<\/p>\n C\u00e2u 8<\/strong>: M\u1ed9t v\u1eadt nh\u1ecf giao d\u1ed9ng \u0111i\u1ec1u h\u00f2a theo m\u1ed9t tr\u1ee5c c\u1ed1 \u0111\u1ecbnh. Ph\u00e1t bi\u1ec3u n\u00e0o sau \u0111\u00e2y \u0111\u00fang?<\/p>\n A. L\u1ef1c k\u00e9o v\u1ec1 t\u00e1c d\u1ee5ng v\u00e0o v\u1eadt kh\u00f4ng \u0111\u1ed5i<\/p>\n B. Qu\u1ef9 \u0111\u1ea1o chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a v\u1eadt l\u00e0 m\u1ed9t \u0111o\u1ea1n th\u1eb3ng<\/p>\n C. Qu\u1ef9 \u0111\u1ea1o chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a v\u1eadt l\u00e0 m\u1ed9t \u0111\u01b0\u1eddng h\u00ecnh sin<\/p>\n D. Li \u0111\u1ed9 c\u1ee7a v\u1eadt t\u1ec9 l\u1ec7 v\u1edbi th\u1eddi gian dao \u0111\u1ed9ng.<\/p>\n C\u00e2u 9<\/strong>: con l\u1eafc \u0111\u01a1n c\u00f3 chi\u1ec1u d\u00e0i kh\u00f4ng \u0111\u1ed5i , dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a v\u1edbi chu k\u00ec T. Khi \u0111\u01b0a con l\u1eafc l\u00ean cao th\u00ec chu k\u1ef3 dao \u0111\u1ed9ng c\u1ee7a n\u00f3<\/p>\n A. Kh\u00f4ng thay \u0111\u1ed5i B. kh\u00f4ng x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c t\u0103ng hay gi\u1ea3m<\/p>\n C. Gi\u1ea3m xu\u1ed1ng D. T\u0103ng l\u00ean<\/p>\n C\u00e2u 10<\/strong>: M\u1ed9t t\u00ean l\u1eeda b\u1eaft \u0111\u1ea7u bay l\u00ean theo ph\u01b0\u01a1ng th\u1eb3ng \u0111\u1ee9ng v\u1edbi gia t\u1ed1c a=3g. Trong t\u00ean l\u1eeda c\u00f3 treo m\u1ed9t con l\u1eafc \u0111\u01a1n d\u00e0i l=1mm khi b\u1eaft \u0111\u1ea7u bay th\u00ec \u0111\u1ed3ng th\u1eddi k\u00edch th\u00edch cho con l\u1eafc th\u1ef1c hi\u1ec7n dao \u0111\u1ed9ng nh\u1ecf.B\u1ecf qua s\u1ef1 thay \u0111\u1ed5i gia t\u1ed1c r\u01a1i t\u1ef1 do theo \u0111\u1ed9 cao. L\u1ea5y g=10m\/s, A. 14 B.20 C.18 D.10<\/p>\n C\u00e2u 11<\/strong>: M\u1ed9t m\u1ea1ch \u0111i\u1ec7n xoay chi\u1ec1u c\u00f3 u l\u00e0 \u0111i\u1ec7n \u00e1p t\u1ee9c th\u1eddi \u1edf hai \u0111\u1ea7u \u0111o\u1ea1n m\u1ea1ch v\u00e0 i l\u00e0 c\u01b0\u1eddng \u0111\u1ed9 t\u1ee9c th\u1eddi qua m\u1ea1ch. Ch\u1ecdn ph\u00e1t bi\u1ec3u \u0111\u00fang:<\/p>\n A. i lu\u00f4n lu\u00f4n bi\u1ebfn thi\u00ean s\u1edbm pha h\u01a1n u<\/p>\n B. i v\u00e0 u lu\u00f4n bi\u1ebfn thi\u00ean ng\u01b0\u1ee3c pha<\/p>\n C. iv\u00e0 u lu\u00f4n bi\u1ebfn thi\u00ean c\u00f9ng t\u1ea7n s\u1ed1<\/p>\n D. i v\u00e0 u lu\u00f4n bi\u1ebfn thi\u00ean c\u00f9ng pha<\/p>\n <\/strong><\/strong><\/p>\n T\u1ea5t c\u1ea3 n\u1ed9i dung b\u00e0i vi\u1ebft. C\u00e1c em h\u00e3y xem th\u00eam v\u00e0 t\u1ea3i file chi ti\u1ebft t\u1ea1i \u0111\u00e2y:<\/strong>Download<\/p>\n","protected":false},"excerpt":{"rendered":" \u0110\u1ec1 thi v\u00e0 \u0111\u00e1p \u00e1n \u0111\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n L\u00fd n\u0103m 2016 c\u1ee7a THPT L\u00fd Th\u00e1i T\u1ed5 t\u1ec9nh B\u1eafc Ninh t\u1ed5 ch\u1ee9c thi th\u1eed l\u1ea7n 1 v\u00e0o ng\u00e0y 19\/1\/2016.C\u00e1c em tham kh\u1ea3o \u0111\u1ec1 v\u00e0 \u0111\u00e1p \u00e1n d\u01b0\u1edbi \u0111\u00e2y: Xem th\u00eam: \u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n L\u00fd C\u00e2u 7: M\u1ed9t chi\u1ebfc […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[25],"tags":[],"yoast_head":"\n=10. \u0110\u1ebfn khi \u0111\u1ea1t \u0111\u1ed9 cao h=1500m th\u00ec con l\u1eafc \u0111\u00e3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c s\u1ed1 dao \u0111\u1ed9ng l\u00e0 :<\/p>\n
<\/p>\n\u0110\u00e1p \u00e1n \u0111\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n L\u00fd n\u0103m 2016 – THPT L\u00fd Th\u00e1i T\u1ed5 l\u1ea7n 1<\/strong><\/h3>\n
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