SỞ GIÁO DỤC VÀ ĐÀO TẠO QUẢNG TRỊ KÌ THI CHỌN HỌC SINH GIỎI VĂN HÓA 12 THPT Khóa ngày 05 tháng 03 năm 2014  VẬT LÍ 180  (Đề thi có 02 trang, gồm 05 câu) Câu 1. (4 điểm)  !"#$%&'!()*+ , /012 3  % '   4"56 7 = = π  89+" :7;<!1=>?&@1+A12-BC%'& D1=9EFG"H%I'JK&L31=9EM4F NG"H%NI'NJ(O&L7 a)A1EHD"&9#1=9EPB?DB7 b)QRSPHT012FC%'7A"HB?&B ?S7 c)UP*+129+B?+-V=%& 9!A%'7AW!XYU#-/%'7 Câu 2.(4 điểm) ?*+Z8A-[BG*+GYB*1237? P*VG?-+\π%1P]&"W ^53GA9W_+247(6 `a 87 a)A3*+GY?7 b) bP&KLc]-$:+ ?*+Z8-$*BdY-C+ *=D7e"XP93- +*VG?9@f c)g+GY?-9 *h"B_+-+*VGF+*=D, -e3(7eiD1#90GA0_G7 Câu 3. (5 điểm) 8?G-e3 47j1Pk%1P' GG# TD %'  l 4 "(66  = π b&-D"HmC!1# ( 4 b &b 1P,#mk-$ P\6b&(46b1P4%G[!1#21PG[,#7'# @GG#k O b h"12GG#k1# ( b + ) π n GG#k!1# ( b 1P 4 b G+ 4 O π 7 a)Ao&&Z&81Pl7 b)8G*8D:#!p8 ( "Hm C1# O b PB?7 `eiDT!p"HmC1#b O 7 `b#90CGG#0kb 4 7 Câu 4. (4 điểm) +VTG"HP J(66U^&H-$!@& +k-$dHp&kV?-$X12H-$ ( J6&Le3 O78 ( -$X120H-$ 4 J6&L78! *+"!_qT@-2YHpdVT1 (^4 ĐỀ CHÍNH THỨC A! ( & 4 7gp+?41pA=9@" VT9p< Wr7'F"0WC-78RHW1E7 a) b# 3*+VC! &W#X127ZD1pA= 9@CPHR+7 b)8sX9p9#B<??#(U7e 4  9p! ( fU#3![1pA1PPfb#  3*+C ( " 4 !7H1tD -u7 Câu 5. (3 điểm) vWk(T,PH-$ ( J4&6 -$,1Pq9@*=D,W&r&*PZJ(&67 vWk(@=9@!JL&63FWk4 H-$ 4 J(&6D+, @121E H1 6 J(6^"21?TD=12FWk(7w1?&FW k49E-$?1P?!-/0Fq+ ?4&VFWk(D+7x*=D,$12  /0 θ J(46 6 3*=D+!?qS! q+WTe357w&FWk(FDFqS //07 a)A1EHCFWk 4 D"1?7 b)jFWk(BG-$D+V3W!HTW 9@9fZDJ(6^" 4 7'F"0WC-7 HẾT • Thí sinh không được sử dụng tài liệu. • Giám thị không giải thích gì thêm. 4^4 . SỞ GIÁO DỤC VÀ ĐÀO TẠO QUẢNG TRỊ KÌ THI CHỌN HỌC SINH GIỎI VĂN HÓA 12 THPT Khóa ngày 05 tháng 03 năm 2014  VẬT LÍ 180  (Đề thi có 02 trang,. !"#$%&'!()*+ , /0 12  3  % '   4"56 7 = = π  89+" :7;<!1=>?&@1+A 12 -BC%'& D1=9EFG"H%I'JK&L31=9EM4F NG"H%NI'NJ(O&L7 a)A1EHD"&9#1=9EPB?DB7 b)QRSPHT0 12 FC%'7A"HB?&B ?S7 c)UP*+ 12 9+B?+-V=%& 9!A%'7AW!XYU#-/%'7 Câu. 89+" :7;<!1=>?&@1+A 12 -BC%'& D1=9EFG"H%I'JK&L31=9EM4F NG"H%NI'NJ(O&L7 a)A1EHD"&9#1=9EPB?DB7 b)QRSPHT0 12 FC%'7A"HB?&B ?S7 c)UP*+ 12 9+B?+-V=%& 9!A%'7AW!XYU#-/%'7 Câu