https://dashboard.mempawahkab.go.id/wp-content/plugins/ https://www.kungfuology.com/mt-static/ https://pgsd.fkip.unsulbar.ac.id/wp-content/server/https://www.kungfuology.com/home/plugins/ https://land.ubiz.ua/assets/img/ https://sentraki.polimarin.ac.id/js/slot-dana/ https://qml.cvc.uab.es/responsivl/slot-gacor/ https://sentraki.polimarin.ac.id/public/js/ https://fh.uki.ac.id/nul/slot-pulsa/ https://ncc.potensi-utama.ac.id/wp-content/plugins/ https://pgsd.fkip.unsulbar.ac.id/wp-includes/qris/ https://aktasidangmd.gkjw.or.id/aset/css/ https://simpenmas.untirta.ac.id/plugins/slot-dana/
{"id":26322,"date":"2018-04-10T17:12:28","date_gmt":"2018-04-10T10:12:28","guid":{"rendered":"https:\/\/lop12.edu.vn\/?p=26322"},"modified":"2018-04-10T17:12:28","modified_gmt":"2018-04-10T10:12:28","slug":"bai-tap-trac-nghiem-vat-li-12-tong-hop-hai-dao-dong-dieu-hoa-cung-phuong-cung-tan-so-phuong-phap-gian-do-fre-nen","status":"publish","type":"post","link":"https:\/\/lop12.edu.vn\/bai-tap-trac-nghiem-vat-li-12-tong-hop-hai-dao-dong-dieu-hoa-cung-phuong-cung-tan-so-phuong-phap-gian-do-fre-nen\/","title":{"rendered":"B\u00e0i t\u1eadp tr\u1eafc nghi\u1ec7m V\u1eadt L\u00ed 12: T\u1ed5ng h\u1ee3p hai dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a c\u00f9ng ph\u01b0\u01a1ng, c\u00f9ng t\u1ea7n s\u1ed1 – Ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3n \u0111\u1ed3 Fre-nen"},"content":{"rendered":"

C\u00e2u 1:<\/b>\u00a0M\u1ed9t v\u1eadt tham gia \u0111\u1ed3ng th\u1eddi hai dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a c\u00f9ng ph\u01b0\u01a1ng, c\u00f9ng t\u1ea7n s\u1ed1 c\u00f3 bi\u00ean \u0111\u1ed9 l\u1ea7n l\u01b0\u1ee3t l\u00e0: A1<\/sub>\u00a0= 3 cm v\u00e0 A2<\/sub>\u00a0= 4 cm. Bi\u00ean \u0111\u1ed9 c\u1ee7a dao \u0111\u1ed9ng t\u1ed5ng h\u1ee3p kh\u00f4ng th\u1ec3 nh\u1eadn gi\u00e1 tr\u1ecb<\/p>\n

A. 5,7 cm \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B. 1,0 cm \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C. 7,5 cm \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D. 5,0 cm.<\/p>\n

C\u00e2u 2:<\/b>\u00a0M\u1ed9t v\u1eadt th\u1ef1c hi\u1ec7n \u0111\u1ed3ng th\u1eddi hai dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a c\u00f9ng ph\u01b0\u01a1ng, c\u00f9ng t\u1ea7n s\u1ed1 c\u00f3 ph\u01b0\u01a1ng tr\u00ecnh:<\/p>\n

\"\"<\/p>\n

\u1eadn t\u1ed1c c\u1ee7a v\u1eadt t\u1ea1i th\u1eddi \u0111i\u1ec3m t = 2 s l\u00e0<\/p>\n

A. -10\u03c0 (cm\/s) \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B. 10\u03c0 (cm\/s) \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C. \u03c0 (cm\/s) \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D. \u2013\u03c0 (cm\/s).<\/p>\n

C\u00e2u 3:<\/b>\u00a0Dao \u0111\u1ed9ng t\u1ed5ng h\u1ee3p c\u1ee7a hai dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a c\u00f9ng ph\u01b0\u01a1ng, c\u00f9ng t\u1ea7n s\u1ed1:<\/p>\n

\"\"<\/p>\n

l\u00e0 dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a c\u00f3 bi\u00ean \u0111\u1ed9 v\u00e0 pha ban \u0111\u1ea7u l\u00e0:<\/p>\n

A. 13 cm; \u03c0\/6 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B. 17 cm; \u03c0\/12 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C. 21 cm; 0,306 rad \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D. 19 cm; \u03c0\/8<\/p>\n

C\u00e2u 4:<\/b>\u00a0Hai giao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a c\u00f9ng ph\u01b0\u01a1ng, c\u00f9ng t\u1ea7n s\u1ed1, ng\u01b0\u1ee3c pha nhau, c\u00f3 bi\u00ean \u0111\u1ed9 l\u00e0 A1<\/sub>\u00a0v\u00e0 A2<\/sub>\u00a0v\u1edbi A2<\/sub>=3A1<\/sub>, th\u00ec dao \u0111\u1ed9ng t\u1ed5ng h\u1ee3p c\u00f3 bi\u00ean \u0111\u1ed9 A l\u00e0<\/p>\n

A. A1<\/sub> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B. 2A1<\/sub> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C. 3A1<\/sub> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D. 4A1<\/sub><\/p>\n

C\u00e2u 5:<\/b>\u00a0Hai dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a c\u00f9ng ph\u01b0\u01a1ng, c\u00f9ng t\u1ea7n s\u1ed1, c\u00f9ng pha, c\u00f3 bi\u00ean \u0111\u1ed9 l\u00e0 A1<\/sub>\u00a0v\u00e0 A2<\/sub>\u00a0v\u1edbi A2<\/sub>=4A1<\/sub>\u00a0th\u00ec dao \u0111\u1ed9ng t\u1ed5ng h\u1ee3p c\u00f3 bi\u00ean \u0111\u1ed9 A l\u00e0<\/p>\n

A. 5A1<\/sub> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B. 2A1<\/sub> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C. 3A1<\/sub> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D. 4A1<\/sub><\/p>\n

C\u00e2u 6:<\/b>\u00a0Hai dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a c\u00f9ng ph\u01b0\u01a1ng, c\u00f3 c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh dao \u0111\u1ed9ng t\u01b0\u01a1ng \u1ee9ng l\u00e0:<\/p>\n

\"\"<\/p>\n

Dao \u0111\u1ed9ng t\u1ed5ng h\u1ee3p c\u00f3 ph\u01b0\u01a1ng tr\u00ecnh l\u00e0<\/p>\n

\"\"<\/p>\n

C\u00e2u 7:<\/b>\u00a0Hai dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a c\u00f9ng ph\u01b0\u01a1ng c\u00f3 c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh c\u00f3 c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh l\u1ea7n l\u01b0\u1ee3t l\u00e0:<\/p>\n

\"\"<\/p>\n

Bi\u00ean \u0111\u1ed9 dao \u0111\u1ed9ng t\u1ed5ng h\u1ee3p l\u00e0<\/p>\n

A. 4,5 cm. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B. 6 cm. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C. 3,5 cm \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D. 3 cm.<\/p>\n

C\u00e2u 8:<\/b>\u00a0M\u1ed9t v\u1eadt tham gia \u0111\u1ed3ng th\u1eddi hai dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a c\u00f9ng ph\u01b0\u01a1ng, c\u00f9ng t\u1ea7n s\u1ed1, c\u00f3 c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh dao \u0111\u1ed9ng th\u00e0nh ph\u1ea7n l\u1ea7n l\u01b0\u1ee3t l\u00e0:<\/p>\n

\"\"<\/p>\n

Khi v\u1eadt qua li \u0111\u1ed9 x = 4 cm th\u00ec v\u1eadn t\u1ed1c dao \u0111\u1ed9ng t\u1ed5ng h\u1ee3p c\u1ee7a v\u1eadt l\u00e0 60 cm\/s\/ T\u1ea7n s\u1ed1 g\u00f3c dao \u0111\u1ed9ng t\u1ed5ng h\u1ee3p c\u1ee7a v\u1eadt l\u00e0<\/p>\n

A. 6 rad\/s \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B. 10 rad\/s \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C. 40 rad\/s \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D. 20 rad\/s.<\/p>\n

C\u00e2u 9:<\/b>\u00a0M\u1ed9t v\u1eadt c\u00f3 th\u1ec3 tham gia \u0111\u1ed3ng th\u1eddi hai dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a c\u00f9ng ph\u01b0\u01a1ng, c\u00f9ng t\u1ea7n s\u1ed1 nh\u01b0ng ng\u01b0\u1ee3c pha nhau. N\u1ebfu ch\u1ec9 tham gia dao \u0111\u1ed9ng th\u1ee9 nh\u1ea5t, n\u0103ng l\u01b0\u1ee3ng dao \u0111\u1ed9ng c\u1ee7a v\u1eadt l\u00e0 W1<\/sub>. N\u1ebfu ch\u1ec9 tham gia dao \u0111\u1ed9ng th\u1ee9 hai, n\u0103ng l\u01b0\u1ee3ng dao \u0111\u1ed9ng c\u1ee7a v\u1eadt l\u00e0 W2<\/sub>=2,25W1<\/sub>. Khi tham gia \u0111\u1ed3ng th\u1eddi hai giao \u0111\u1ed9ng, n\u0103ng l\u01b0\u1ee3ng giao \u0111\u1ed9ng c\u1ee7a v\u1eadt l\u00e0<\/p>\n

A. 1,5W1<\/sub> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B. W1<\/sub> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C. 0,25W1<\/sub> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D. 0,5W1<\/sub><\/p>\n

C\u00e2u 10:<\/b>\u00a0M\u1ed9t v\u1eadt th\u1ef1c hi\u1ec7n dao \u0111\u1ed9ng t\u1ed5ng h\u1ee3p c\u1ee7a hai dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a c\u00f3 c\u00f9ng t\u1ea7n s\u1ed1, dao \u0111\u1ed9ng c\u00f9ng ph\u01b0\u01a1ng v\u00e0 c\u00f3 c\u01a1 n\u0103ng l\u00e0 W. N\u1ebfu ch\u1ec9 th\u1ef1c hi\u1ec7n t\u1eebng dao \u0111\u1ed9ng th\u00e0nh ph\u1ea7n, v\u1eadt c\u00f3 c\u01a1 n\u0103ng t\u01b0\u01a1ng \u1ee9ng l\u00e0 W1<\/sub>\u00a0v\u00e0 W2<\/sub>. \u0110\u1ed9 l\u1ec7ch pha c\u1ee7a hai dao \u0111\u1ed9ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng c\u00f4ng th\u1ee9c<\/p>\n

\"\"<\/p>\n

H\u01b0\u1edbng d\u1eabn gi\u1ea3i v\u00e0 \u0111\u00e1p \u00e1n<\/b><\/p>\n\n\n\n\n
C\u00e2u<\/td>\n1<\/td>\n2<\/td>\n3<\/td>\n4<\/td>\n5<\/td>\n6<\/td>\n7<\/td>\n8<\/td>\n9<\/td>\n10<\/td>\n<\/tr>\n
\u0110\u00e1p \u00e1n<\/td>\nC<\/td>\nB<\/td>\nC<\/td>\nB<\/td>\nA<\/td>\nA<\/td>\nB<\/td>\nD<\/td>\nC<\/td>\nD<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

C\u00e2u 1:<\/b>\u00a0C<\/p>\n

Theo ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3n \u0111\u1ed3 Fre \u2013 nen :<\/p>\n

\"\"<\/p>\n

Theo t\u00ednh ch\u1ea5t c\u1ee7a tam gi\u00e1c ta c\u00f3 :<\/p>\n

|A1<\/sub>-A2<\/sub>\u00a0| \u2264 A \u2264 |A1<\/sub>+A2<\/sub>\u00a0| ,<\/p>\n

do \u0111\u00f3 ta c\u00f3 : 1 \u2264A \u22647<\/p>\n

V\u1eady A kh\u00f4ng th\u1ec3 b\u1eb1ng 7,5 cm<\/p>\n

C\u00e2u 2:<\/b>\u00a0B<\/p>\n

\"\"<\/p>\n

C\u00e2u 3:<\/b>\u00a0C<\/p>\n

\"\"<\/p>\n

C\u00e2u 4:<\/b>\u00a0B<\/p>\n

Hai dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a c\u00f9ng ph\u01b0\u01a1ng, c\u00f9ng t\u1ea7n s\u1ed1, ng\u01b0\u1ee3c pha nhau, n\u00ean dao \u0111\u1ed9ng t\u1ed5ng h\u1ee3p c\u00f3 bi\u00ean \u0111\u1ed9 A=A2<\/sub>-A1<\/sub>=2A1<\/sub><\/p>\n

C\u00e2u 5:<\/b>\u00a0A<\/p>\n

Hai dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a c\u00f9ng ph\u01b0\u01a1ng, c\u00f9ng t\u1ea7n s\u1ed1, c\u00f9ng pha n\u00ean dao \u0111\u1ed9ng t\u1ed5ng h\u1ee3p c\u00f3 bi\u00ean \u0111\u1ed9 A=A2<\/sub>+A1<\/sub>=5A1<\/sub><\/p>\n

C\u00e2u 6:<\/b>\u00a0A<\/p>\n

\"\"<\/p>\n

C\u00e2u 7:<\/b>\u00a0B<\/p>\n

x1<\/sub>\u00a0v\u00e0 x2<\/sub>\u00a0c\u00f9ng pha n\u00ean A=A1<\/sub>+A2<\/sub>=1,5+4,5=6 cm<\/p>\n

C\u00e2u 8:<\/b>\u00a0D<\/p>\n

\"\"<\/p>\n

C\u00e2u 9:<\/b>\u00a0C<\/p>\n

\"\"<\/p>\n

C\u00e2u 10:<\/b>\u00a0D<\/p>\n

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

C\u00e2u 1:\u00a0M\u1ed9t v\u1eadt tham gia \u0111\u1ed3ng th\u1eddi hai dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a c\u00f9ng ph\u01b0\u01a1ng, c\u00f9ng t\u1ea7n s\u1ed1 c\u00f3 bi\u00ean \u0111\u1ed9 l\u1ea7n l\u01b0\u1ee3t l\u00e0: A1\u00a0= 3 cm v\u00e0 A2\u00a0= 4 cm. Bi\u00ean \u0111\u1ed9 c\u1ee7a dao \u0111\u1ed9ng t\u1ed5ng h\u1ee3p kh\u00f4ng th\u1ec3 nh\u1eadn gi\u00e1 tr\u1ecb A. 5,7 cm \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B. 1,0 cm \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C. 7,5 cm \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D. […]<\/p>\n","protected":false},"author":3,"featured_media":26323,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[158],"tags":[1445,1444],"yoast_head":"\nB\u00e0i t\u1eadp tr\u1eafc nghi\u1ec7m V\u1eadt L\u00ed 12: T\u1ed5ng h\u1ee3p hai dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a c\u00f9ng ph\u01b0\u01a1ng, c\u00f9ng t\u1ea7n s\u1ed1 - Ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3n \u0111\u1ed3 Fre-nen<\/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\/bai-tap-trac-nghiem-vat-li-12-tong-hop-hai-dao-dong-dieu-hoa-cung-phuong-cung-tan-so-phuong-phap-gian-do-fre-nen\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"B\u00e0i t\u1eadp tr\u1eafc nghi\u1ec7m V\u1eadt L\u00ed 12: T\u1ed5ng h\u1ee3p hai dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a c\u00f9ng ph\u01b0\u01a1ng, c\u00f9ng t\u1ea7n s\u1ed1 - Ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3n \u0111\u1ed3 Fre-nen\" \/>\n<meta property=\"og:description\" content=\"C\u00e2u 1:\u00a0M\u1ed9t v\u1eadt tham gia \u0111\u1ed3ng th\u1eddi hai dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a c\u00f9ng ph\u01b0\u01a1ng, c\u00f9ng t\u1ea7n s\u1ed1 c\u00f3 bi\u00ean \u0111\u1ed9 l\u1ea7n l\u01b0\u1ee3t l\u00e0: A1\u00a0= 3 cm v\u00e0 A2\u00a0= 4 cm. Bi\u00ean \u0111\u1ed9 c\u1ee7a dao \u0111\u1ed9ng t\u1ed5ng h\u1ee3p kh\u00f4ng th\u1ec3 nh\u1eadn gi\u00e1 tr\u1ecb A. 5,7 cm \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B. 1,0 cm \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C. 7,5 cm \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D. […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lop12.edu.vn\/bai-tap-trac-nghiem-vat-li-12-tong-hop-hai-dao-dong-dieu-hoa-cung-phuong-cung-tan-so-phuong-phap-gian-do-fre-nen\/\" \/>\n<meta property=\"og:site_name\" content=\"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12 l\u1edbn nh\u1ea5t t\u1ea1i Vi\u1ec7t Nam\" \/>\n<meta property=\"article:published_time\" content=\"2018-04-10T10:12:28+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/lop12.edu.vn\/wp-content\/uploads\/2018\/04\/1-160.png\" \/>\n\t<meta property=\"og:image:width\" content=\"406\" \/>\n\t<meta property=\"og:image:height\" content=\"40\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"H\u00e0 Trang\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"H\u00e0 Trang\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/lop12.edu.vn\/bai-tap-trac-nghiem-vat-li-12-tong-hop-hai-dao-dong-dieu-hoa-cung-phuong-cung-tan-so-phuong-phap-gian-do-fre-nen\/\",\"url\":\"https:\/\/lop12.edu.vn\/bai-tap-trac-nghiem-vat-li-12-tong-hop-hai-dao-dong-dieu-hoa-cung-phuong-cung-tan-so-phuong-phap-gian-do-fre-nen\/\",\"name\":\"B\u00e0i t\u1eadp tr\u1eafc nghi\u1ec7m V\u1eadt L\u00ed 12: T\u1ed5ng h\u1ee3p hai dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a c\u00f9ng ph\u01b0\u01a1ng, c\u00f9ng t\u1ea7n s\u1ed1 - Ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3n \u0111\u1ed3 Fre-nen\",\"isPartOf\":{\"@id\":\"https:\/\/lop12.edu.vn\/#website\"},\"datePublished\":\"2018-04-10T10:12:28+00:00\",\"dateModified\":\"2018-04-10T10:12:28+00:00\",\"author\":{\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/2da855e5d06b553ac0065157cc261a45\"},\"breadcrumb\":{\"@id\":\"https:\/\/lop12.edu.vn\/bai-tap-trac-nghiem-vat-li-12-tong-hop-hai-dao-dong-dieu-hoa-cung-phuong-cung-tan-so-phuong-phap-gian-do-fre-nen\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/lop12.edu.vn\/bai-tap-trac-nghiem-vat-li-12-tong-hop-hai-dao-dong-dieu-hoa-cung-phuong-cung-tan-so-phuong-phap-gian-do-fre-nen\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/lop12.edu.vn\/bai-tap-trac-nghiem-vat-li-12-tong-hop-hai-dao-dong-dieu-hoa-cung-phuong-cung-tan-so-phuong-phap-gian-do-fre-nen\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/lop12.edu.vn\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"B\u00e0i t\u1eadp tr\u1eafc nghi\u1ec7m V\u1eadt L\u00ed 12: T\u1ed5ng h\u1ee3p hai dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a c\u00f9ng ph\u01b0\u01a1ng, c\u00f9ng t\u1ea7n s\u1ed1 – Ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3n \u0111\u1ed3 Fre-nen\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/lop12.edu.vn\/#website\",\"url\":\"https:\/\/lop12.edu.vn\/\",\"name\":\"Lop12.edu.vn - 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\/2da855e5d06b553ac0065157cc261a45\",\"name\":\"H\u00e0 Trang\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/545a8100db1147f314111301d261dc33?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/545a8100db1147f314111301d261dc33?s=96&d=mm&r=g\",\"caption\":\"H\u00e0 Trang\"},\"url\":\"https:\/\/lop12.edu.vn\/author\/trangvth2\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"B\u00e0i t\u1eadp tr\u1eafc nghi\u1ec7m V\u1eadt L\u00ed 12: T\u1ed5ng h\u1ee3p hai dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a c\u00f9ng ph\u01b0\u01a1ng, c\u00f9ng t\u1ea7n s\u1ed1 - Ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3n \u0111\u1ed3 Fre-nen","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/lop12.edu.vn\/bai-tap-trac-nghiem-vat-li-12-tong-hop-hai-dao-dong-dieu-hoa-cung-phuong-cung-tan-so-phuong-phap-gian-do-fre-nen\/","og_locale":"en_US","og_type":"article","og_title":"B\u00e0i t\u1eadp tr\u1eafc nghi\u1ec7m V\u1eadt L\u00ed 12: T\u1ed5ng h\u1ee3p hai dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a c\u00f9ng ph\u01b0\u01a1ng, c\u00f9ng t\u1ea7n s\u1ed1 - Ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3n \u0111\u1ed3 Fre-nen","og_description":"C\u00e2u 1:\u00a0M\u1ed9t v\u1eadt tham gia \u0111\u1ed3ng th\u1eddi hai dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a c\u00f9ng ph\u01b0\u01a1ng, c\u00f9ng t\u1ea7n s\u1ed1 c\u00f3 bi\u00ean \u0111\u1ed9 l\u1ea7n l\u01b0\u1ee3t l\u00e0: A1\u00a0= 3 cm v\u00e0 A2\u00a0= 4 cm. Bi\u00ean \u0111\u1ed9 c\u1ee7a dao \u0111\u1ed9ng t\u1ed5ng h\u1ee3p kh\u00f4ng th\u1ec3 nh\u1eadn gi\u00e1 tr\u1ecb A. 5,7 cm \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 B. 1,0 cm \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C. 7,5 cm \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D. […]","og_url":"https:\/\/lop12.edu.vn\/bai-tap-trac-nghiem-vat-li-12-tong-hop-hai-dao-dong-dieu-hoa-cung-phuong-cung-tan-so-phuong-phap-gian-do-fre-nen\/","og_site_name":"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12 l\u1edbn nh\u1ea5t t\u1ea1i Vi\u1ec7t Nam","article_published_time":"2018-04-10T10:12:28+00:00","og_image":[{"width":406,"height":40,"url":"https:\/\/lop12.edu.vn\/wp-content\/uploads\/2018\/04\/1-160.png","type":"image\/png"}],"author":"H\u00e0 Trang","twitter_card":"summary_large_image","twitter_misc":{"Written by":"H\u00e0 Trang","Est. reading time":"4 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/lop12.edu.vn\/bai-tap-trac-nghiem-vat-li-12-tong-hop-hai-dao-dong-dieu-hoa-cung-phuong-cung-tan-so-phuong-phap-gian-do-fre-nen\/","url":"https:\/\/lop12.edu.vn\/bai-tap-trac-nghiem-vat-li-12-tong-hop-hai-dao-dong-dieu-hoa-cung-phuong-cung-tan-so-phuong-phap-gian-do-fre-nen\/","name":"B\u00e0i t\u1eadp tr\u1eafc nghi\u1ec7m V\u1eadt L\u00ed 12: T\u1ed5ng h\u1ee3p hai dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a c\u00f9ng ph\u01b0\u01a1ng, c\u00f9ng t\u1ea7n s\u1ed1 - Ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3n \u0111\u1ed3 Fre-nen","isPartOf":{"@id":"https:\/\/lop12.edu.vn\/#website"},"datePublished":"2018-04-10T10:12:28+00:00","dateModified":"2018-04-10T10:12:28+00:00","author":{"@id":"https:\/\/lop12.edu.vn\/#\/schema\/person\/2da855e5d06b553ac0065157cc261a45"},"breadcrumb":{"@id":"https:\/\/lop12.edu.vn\/bai-tap-trac-nghiem-vat-li-12-tong-hop-hai-dao-dong-dieu-hoa-cung-phuong-cung-tan-so-phuong-phap-gian-do-fre-nen\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/lop12.edu.vn\/bai-tap-trac-nghiem-vat-li-12-tong-hop-hai-dao-dong-dieu-hoa-cung-phuong-cung-tan-so-phuong-phap-gian-do-fre-nen\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/lop12.edu.vn\/bai-tap-trac-nghiem-vat-li-12-tong-hop-hai-dao-dong-dieu-hoa-cung-phuong-cung-tan-so-phuong-phap-gian-do-fre-nen\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/lop12.edu.vn\/"},{"@type":"ListItem","position":2,"name":"B\u00e0i t\u1eadp tr\u1eafc nghi\u1ec7m V\u1eadt L\u00ed 12: T\u1ed5ng h\u1ee3p hai dao \u0111\u1ed9ng \u0111i\u1ec1u h\u00f2a c\u00f9ng ph\u01b0\u01a1ng, c\u00f9ng t\u1ea7n s\u1ed1 – Ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3n \u0111\u1ed3 Fre-nen"}]},{"@type":"WebSite","@id":"https:\/\/lop12.edu.vn\/#website","url":"https:\/\/lop12.edu.vn\/","name":"Lop12.edu.vn - 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\/2da855e5d06b553ac0065157cc261a45","name":"H\u00e0 Trang","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/lop12.edu.vn\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/545a8100db1147f314111301d261dc33?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/545a8100db1147f314111301d261dc33?s=96&d=mm&r=g","caption":"H\u00e0 Trang"},"url":"https:\/\/lop12.edu.vn\/author\/trangvth2\/"}]}},"_links":{"self":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts\/26322"}],"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\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/comments?post=26322"}],"version-history":[{"count":1,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts\/26322\/revisions"}],"predecessor-version":[{"id":26337,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts\/26322\/revisions\/26337"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/media\/26323"}],"wp:attachment":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/media?parent=26322"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/categories?post=26322"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/tags?post=26322"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}