TRƯỜNG THPT TRẦN HƯNG ĐẠO ĐỀ ÔN THI HSG 10 SỐ 2 Câu 1: !"#$ %&' ( ) ** "#+,%- ) ** ./0- ) =−=− .12345 ) ** 6%7 3. Câu 2:869:"; 6954<06 = >?@A,BCD 7$;C&BCD6EC"#04,%F>)= = 76 = "E!G B CD.H69,4 69,I";5!G BCD. J KA54A'L4696EBCD,%M. 4.N+345O469P,6%P5 7F6%M. ./(4507,<(4,.N4 QI%69, ";. Câu 3: J #K"N6R- J -1KA54A'L486%A%,%P 7 L486%,%P . '!,Q F r ,8 C"#;C6EC"# 4$ α .12NS 'P:86%3$ α "#+T Câu 4: U AVO4W#7IX42<5KN$4W,B5 'W.Y4P,B7I234AV<N. IX42,%'% TZ[ 3T Câu 5: 4W\$G,";]4";]4 6%Q4IL4/O4$,][<WJ$G ,";^7'P3_"; 6% 7(!V`!%0' P3_O4][<.J $∠/J>α>)= .3$ϕ O4!V`;C6E"(D+PKV0. Biết: ( ) A A . A A .Aa b a b a− = − Câu 6: J$=P3,+4 ,49P3&Ca9b→ Wc a[&N.J >)=,3*C >d4* >=,3*C >d4.12NK4 %P3I "; ]'N./P5,"; ,O4,,%?@ ,6%_>=7=e4.,@ ,.. ffffffffffffffffffffff1fffffffffffffffffffff F r α M m ` J \ / Câu 1: [ ] ) )) )=) = = ) )==) == == 4 4. 4 4 ?d d 4 6) ? 4 6 4 6 ) 4 6 4 6 4 6 +− =⇒ ==−+−=+−⇔− ++=−⇔− ++= − +−=−⇔− ++= ++= ++= gggggggggggggggggggggggggggggg f X → + < ) 694!< ggggggggggggggggggggggggggggggg. f X → + > ) 699!< C âu 2: 4.H69,- f'!,69$G,Q7C[,QX6%,Q4A'S A . fUc,9hhXi - A X S 4 + + = r r r r fJ,6%4";- A , .A S 4 X . A = − α − = − α = 4S A >M.X4 , >f.AFjM. AF "#QP5-4 >.AFkM. AF .^2"(%69";P,- Y , > = , , 6 4 + . 8BP'P,4 N695O4690- 6>6 = j4 , . , >=6 = >f4 , . , . 46% C"#N4";-Y , > , , 4 − H5]2"(69";,%- Y > l l 4 8%-Y , >Y , , 4 7?? 4 = − = ÷ 4'+O445O4V46% 4";- A A 7?? A A α +µ α = α −µ α M ≈ =7. 46% +O445P,4";-4 , >f?7@A . ^2"(- = , , 6 Y 4 = − ≈ 7md. U4 ,E%69I";- 4 >Y , .AF>=7me. Câu 3: jln69- ms P N F ma+ + = r r r r . J,l-S A >4 mn F a m ⇒ = J,o-X k >= ⇒ X > ⇒ S A >P .X >P . k mg a k g m ⇒ = = .H69p<";NN4 >P . jln698- ms ms F P P N F F M m a+ + + + + = + r r r r r r r . J,l- A ms ms F F F M m a α − − = + A ms ms F F F a M m α − − ⇒ = + J,o- A = AF P P N N P P F α α − + + = ⇒ = + − 4$- ms F k mg= A ms F k N k P P F α = = + − A A F k mg k P P F a M m α α − − + − ⇒ = + H69"; a a≤ A A F k mg k P P F k g M m α α − − + − ⇒ ≤ + A A k g M m F k k mg k P P α α ⇔ + ≤ + − − + A A k k Mg k k mg k k Mg k k mg F k y α α + + + + + + ⇒ ≥ = + X9n-S ⇔ 4 . D+/4JaCAP- A A A A y k k k α α α α = + ≤ + + = + 4 y k⇒ = + . 9 k k Mg k k mg F k + + + ⇒ = + qr$- A A k tg k α α α = ⇒ = Câu 4: fsC5KD+7A4$,B5W#< AV76tL"5K. fU'!Q"E!V, 5K fuC!c,9/af,#f84ff5 P5P3 5K. KPa C >C↔C Y, >CY, 8%-C>C jρ ⇒C , >C jρ, o o p l l h gl ρ − ⇒ = -AV#< . C -,%'CAP3]. , -!%5K. ,-!%O4P5P3 5K,r&'W. ρ-P5,";O4"E. -45G"(. GAC[O'I,"; a+ Câu 5:fU56E][<J- ) A A A A.A ϕ α ϕ αϕ QQ N RNRQOBNCHQ ==⇒ =⇒=⇒ fU56E4\- v.v. @ @ v OHPOBNMM OP ON =⇒= 8%Xw>X )=A ϕ −=⇒ o OBPOBN b6% )? ) 4 A)A)? A ) A A)= A A)=A. )=AA ) PQ P PPQ s PP PP P Q oo o + =⇒ =+⇒ −=−⇒ −=⇒ ϕ ϕϕ ϕϕϕϕ ϕϕ Câu 6: U If$!I ID$!I-C>4j f H >)=,3*C >d4⇒d>4.)=j4 f H >=,3*C >d4⇒d>4.=j b46%⇒4>f@*>= = V pV V⇒ = − + 8%- = d ? m RT pV RT RT µ = = = ! b6%!⇒ d = V RT V= − + ? = V V T R R ⇒ = − + ln%>x v ? = V T R R = − + H w >=⇒>=,3 ⇒>=,3N 4 ⇒ 4 = ?.= ?ey7e =.=7=e =7=e m T K= − + = ` J \ / 1w 1 X Xw ^ ϕ , w JU f j = = )= = . TRƯỜNG THPT TRẦN HƯNG ĐẠO ĐỀ ÔN THI HSG 10 SỐ 2 Câu 1: !"#$