Đề kiểm tra môn cơ học chương động học chất điểm

   Đề kiểm tra môn cơ học chương động học chất điểm Đề 4b  !"#$%&'()(*+,  +#/0*+10$.(2!34'$%&'#*506780639+2)(:.'7; -<=+2"#:>#() ?*@+$<A062BC?6C$%&' +D(2!E #34':.'$%&'2"#:>#?*F(()?*@+$<A062(*<GH+E##*I0) +C(2!$JK6BLCM2N!O0*?*@+$<A062P ! 2BQDC?6 !2BQCD?6 R! 2BQCD!SQ?6 T!2BQDC!SQ?6  !*'(U*V0*<*I0*:W!R+E#2B6C2RBX6! '+-K?*Y06-Z0:.?*Y06#3<A##3103%063[(C?*@+ $<A063%063[(C-K$.?*Y067F06?\CH]^ G2GNF#_ #3`(3%063[(!*a(*'(U*VHb#7; (* K\07"06!O0*2 :>0#@((cG*V_( @+6+K#*80*J#PJK6BLCM2N!  2R !CDX2N !CM2N R!CQL2N T!C2N  Q!ZK(*[0d*F#H+\ 7e06 F(0*.- *.0*:f#3`#310(F(('0#. (* K\07"06#3%07, ^ G0*3F+7J#7, #3'06#3g06#*F+#3[06 $<A06$.-'h ! ('0#. _3J#&G3F+7J#010$/(*e#(cG3F+7J#6+a27F06?\! R! ('0#. 7Z#*'F#?*]+?*O^ K\0(cG3F+J#! ! ('0#. _:i062.$/(*e#(cG3F+7J#:.$/(*e#(cGj##3k06$.(0Hl060*G ! T! /(*Jd-m0(cG3F+7J##F(-`06$10(F(0*.- *.0*:f#3`(0Hl06:=+$/(^ F0n0*$+#2!  X!"#:>#7j#_2od(cG(*+E(H.0&'GK!*'H+E#H.0*I0*#3%0HF0?O0*3BCX2C*VN@2GNF#06*p 0BCX:.6BLCM2N!I27+, ?+V0(cGN@:%06^ GK#3'062"#6+K(a H.07\:>#:k063G?*]+H.0P ! qBQC:%06N !0rBQC:%06N!   stQSX    R! qBC:%06N T!0rBC :%06N!  !"#('0#. :f#3`HGK#u3F+7J#*<=06:,j##3k06!*'H+E#?*'a06(F(*#u#23F+7J#7E0 #2(cGj##3k06Hl06$;0HF0?O0*3F+7J#C*@+$<A06(cGj##3k060*]*U0?*@+$<A063F+7J# $.M$;0!]+('0#. 7)(F(*#23F+7J#Hl06HG'0*+1 $;0HF0?O0*3F+7J##*I$/(*e#(cGj##3k06 :.3F+7J#$10('0#. Hl060*G P !  !X! R! X! T!X!  !E *VN@2GNF#06*v6+wG$@d&4:.2j#7<x06$.C#*I&4()#*\(*gK:=+:>0#@(#@+7G$.HG' 0*+1 ?*+0):%06#*4'7<x06('060l206G06HF0?O0*XDC22.?*Y06#3<A#P ! DCX2N! !C2N! R! CM2N T!C2N!  D!"#Y#Y7+#*4'7<x06('06d*506HF0?O0*2_#@(7"2N!]+*.0*?*F(*()?*@+$<A06 $.M?6#*I#F(-`06$106*E069+2"#$/(Hl06HG'0*+1 PJK6BLCM2N! ! MDQ !MQQ! R! M T!DL!  M!ZK(*[0?*5067y0*NG+P ! Y06#*8(zBS?!&$.(Y06#*8((cG$/(7.0*9+{:x+&$.7"H+E0-g06|! R! "-Z0(cG2"#$%&'#*5067806{7; #310(cG$%&'7<A((@7y0*|?*+#34':>#d*`#* "(:.' 2C?C6! ! /((k06-K?*Y06d*a+$.$/(7.0*9+! T! @+:=+(F(2j#}Ed&e(HyH+E0-g06?*+od:.'0*G C$/(7.0*9+()d*<U06: Y066)(:=+2j# }Ed&e(!  L!E 2"#:>##34'#310H.00l206G060*<*I0*:W!  =+h$.#3[06$/((cG3F+7J##F(-`06$10:>#! $.d*a0$/((cG2j#H.0#F(-`06$10:>#! $.$/(7~:>#od$102j#H.0! ! :.$.2"#(jd$/(:.d*a0$/(!  R! :.$.2"#(jd$/(:.d*a0$/(! ! BS  T! BS  !*F#H+\ 0.'NG'7KNG+P ! $.$/(#3 K,0(*':>#()?*@+$<A06?62"#6+G#@(2N!   stQSX    R! *@+$<A06$.7g+$<A067j(#3<06(*'28(^ F0n0*(cG:>#! ! 4(#'36+G#@((cG:>#$ Y0$ Y0(i06*<=06:=+$/(#F(-`06$10:>#! T! +G#@(2.2•+$/(6K(*':>#d*`#* "(:.'#F(-`06(cG(F($/(?*F(0*G $10:>#!  !"#7'g07<x06#3%07<A(#*+E#?E(*'&4(*gK:=+:>0#@(?2*!E HF0?O0*7<x06#3%0$. 2#*I6)(06*+106(cG2j#7<x06d*a+$.HG'0*+1 7\&4?*Y06#3<A#?*]+2j#7<x06PR]^ G2G NF#6+wGHF0*&4:.2j#7<x06C$JK6BLCM2N! ! 'QM€ !L'X€! R! '€ T!'X€!  !_7"(G'0.'N':=+2j#7J##*I6+G#@(3U+#/-'Hl062"#0•G6+G#@(3U+#/-'_2j#7J#P*' HF0?O0*3F+7J#X?2! ! BX2 !*BX2! R! B?2 T!*BQ?2!  Q!*'(U*V0*<*I0*:W! 2 F(:>#()?*@+$<A062B2B :.2QB!V7<A(#*a#u06*p#*I 6+G#@($.C2N!'+-K?*Y062Q  -Z0:.?*Y06#3<A##3103%063[(C 2 ?*@+$<A063%063[(:.-K?*Y06  7F06?\‚H]^ G2GNF#_#3`(3%06  3[(!JK6BLCM2N!VN@2GNF# #3<A#6+wG:>#2:.2j#d*506 06G06$.h ! C! !CX! R! CQ T!CQX!  X!O0*6+G#@($=00*J#2.2"#06<x+(*gK()#*\7g##=+0E *VN@2GNF#06*p6+wG6+;K:.7<x06 $.CLPJK6BLCM2N!{*+#k06#@((*p()2"#(*0#3107<x06|! ! MCD2N! !MC2N! R! LCM2N T!LCQ2N!  !:>#$e(7; _2j#7J#!G 7)0)7<A(7<G$107"(G'*N':=+2j#7J#! ?*5067y0*0.' NG'7KNG+P ! /(*Jd-m06+wG:>#:.3F+7J#6+a2 !+G#@(3U+#/-'(cG:>#6+a2! Q  stQSX    R! :>#6+a2 T!3[06$<A06 (cG:>#6+a2  D!Y#^ a(; 0*]H "(:.'2"#7; -K#34':.'#3;0 (cG2"##. *]G?O0!TK#34'06*+106N':=+d*<U06#*5067806 {0*<*I0*:W|!T/G:.'(*+, $V(*(cG-KC#GH+E#7<A(7+, 6ING 7KP ! . (* K\07"060*G0*-;0*GK(*>2-;0 R! K3G#;0N@(cG#. *<=06:,d*OG0.' ! . (* K\07"06:,d*OG0.' T! . (* K\07"060*G0**GK(*>2  M!*':>#2CC27j##3102j#N.00*.0l206G06?*Y062GNF#!F(-`06:.'2$/(z#*4' d*<U0606G06#*I2NW(* K\07"06:=+6+G#@(M2N!E #F(-`06$/(z7)#*4'd*<U0606G062 (* K\07"06:=+6+G#@($.X2N!426*od:>#7)#*.0*2"#:>##*IzNW#3 K,0(*':>#6*od6+G#@( Hl06HG'0*+1 h ! 2N !CQD2N R! CD2N T!QCD2N  L!>#()2BQ?67G06(* K\07"06#*5067, :=+:B2N#*I(*y #F(-`06(cG$/(L(i06(*+,  :=+:4(#'3:>0#@(!]+:>#NW(* K\07"062}Ed#*4'#3'06#*x+6+G0HG'$ h ! N !XN R! QCQQN T!CMQN  !"#:>#7j##3102j#d*l060l206G06C#k06-;06)(06*+106(cG2j#d*5067E0Q'#*I:># Hb#7; #3<A#!O0**VN@2N6+wG:>#:.2j#d*506P ! CQ !C! R! CXM T!CQ!  !"#Y#Y()2B#J0?*+?*Y06(*_*.060)?*_+*.0*:=+6+G#@(CQ2N!*+Y#Y7)(*_*.06 #*I0)?*_+*.0*:=+6+G#@(C2N!R+E#3l06$/(#F(-`06:.'Y#Y#3'06*G+#3<x06*Ad7, Hl06 0*G !O0*2(cG*.06#310&4P ! ?6 !#J0! R! #J0 T!?6!  !"#Y#Y(G*K:B?2*#*I06<x+$F+&4*Z2d*G0*C&47+}Ed7'g07<x062#*I-u06$g+! ]+Y#Y7)(*gK:B?2*#*I7+7<A(#u$e(*Z2d*G0*7E0?*+-u06$g+$.HG'0*+1 PpGN•$/( *Z20*<0*G h ! X2 !2 R! DCD2 T!2  Q!"#:>#()?*@+$<A06?6(* K\07"06:,d*OG#3<=(:=+#@(7":G(*g2:.'2"#:># #*8*G+7G067806K10!G :G(*g2:>##*80*J#(* K\07"0606<A(#3_$g+:=+#@(7"2N X  stQSX    (%0:>##*8*G+(* K\07"06:=+#@(7"2N!]+?*@+$<A06:>##*8*G+Hl06 HG'0*+1 ?6P ! QC?6 !C?6 R! C?6 T!?6!  X!"##*i066•()?*@+$<A06Q?60l2#3102"#&4#a+!ƒ4(*gK:=+:>0#@(?*Y067„+$. ?2*!6<x+$F+&4H "(d*a+(*'&46+a2#@(7"& @06?2*#3'06DN!]+#3'06#*x+ 6+G00.K#*i066+G00.K#*i066•(*y #F(-`06(cG2"#$/(()7"$=0HG'0*+1 Cd*<U06(*+,  #*E0.'P ! /(#F(-`06:.'#*i066•(i06(*+, (* K\07"06(cG&4C()7"$=0$.QX! R! /(#F(-`06:.'#*i066•(i06(*+, (* K\07"06(cG&4C()7"$=0$. ! /(#F(-`06:.'#*i066•06<A((*+, (* K\07"06(cG&4C()7"$=0$.QX T! /(#F(-`06:.'#*i066•06<A((*+, (* K\07"06(cG&4C()7"$=0$.  !"#:>#7<A(#34':.'7+\2 R (*O0*6+wG(cG-K#*odR!*@+$<A06 (cG:>#$.Q?6!R+E#RBX2CTB(2 T $JK6BLCM2N!/(?o'2•+0wGNA+-K $.P ! Q !MM R! LX T!!  !G+:>#()?*@+$<A062C20@+:=+ 0*G Hl06NA+-K7j##3102j#H.00l206G062 2 0*<*I0*:W!VN@2GNF#06*p6+wG2•+:>#:=+  2j#H.0$. !F(-`062"#$/(2#*4'd*<U06 06G06!I27+, ?+V0(cGz7\*V(* K\07"06#310 2j#H.0P ! rzr 26! !zq {2…2|6! R! †26rzr {2…2|6 T! 26rzr {2…2|6!  D!"#06<x+()?*@+$<A06?67806#3'06H 906#*G062FK#3402"#H.(0!E (0 (*p#3[06$<A06(cG06<x+$.#*I6+G#@((cG#*G062FKh ! <=06& @06-<=+C()7"$=0$.CQ2N !<=06$10#310C()7"$=0$.CQ2N! R! <=06& @06-<=+C()7"$=0$.C2N T!<=06$10#310C()7"$=0$.C2N! R+E#6BLCM2N!   stQSX     M!E HF0?O0*(cG*G+^ a(; 7906(*J#:.?*'a06(F(*6+wG#2(cG (*e06(f066+a27+$;0#*I$/(*Jd-m0(cG(*e06#*GK7„+0*<#*E0.'P ! *Y06#*GK7„+ !+a2$;0 R! +a2M$;0 T!k06$;0!  L!E 2"#:>#7G06(* K\07"062.#J#(a(F($/(#F(-`06:.'0)H•060*+1006u06#F( -`06#*Ih ! >#(* K\006GKNG06#3g06#*F+(* K\07"06#*5067, ! R! >#$>d#8(-u06$g+! ! >#(* K\07"06(*>2-;0#3'062"##*x+6+G0CNG 7)(* K\07"06#*5067, ! T! >#(* K\07"06(*>2-;03@+-u06$g+!  Q!ZK(*[0d*F#H+\ 7e06P *+2"#('006/G?o'&4C$/(#F(-`06:.'('006/G$.20)(* K\07"06:,d*OG#3<=($. ! /(2.06/G#F(-`06:.'&4! !/(2.&4#F(-`06:.'06/G! R! /G2.06/G#F(-`06:.'2j#7J#! T! /(2.2j#7J##F(-`06:.'06/G!  Q!*'(U*V0*<*I0*:W!R+E#2BQCQ?6C 2BCL?6CGBQ ' !VN@2GNF#06*p6+wG2:. 2 2j#d*5060l206G06$.C!VN@2GNF##3<A# 2:.2j#d*l060l206G06$.CQC2j#d*506 2 06*+106?*Y06()2GNF#C-K?*Y06-Z0:.?*Y06 #3<A##3103%063[(C?*@+$<A063%063[(:.-K$. ?*Y067F06?\CH]^ G2GNF#_#3`(3%063[(!*' *V(* K\07"06#u06*p!JK6BLCM2N!+G#@((cG *Vh ! CQ2N !CM2N R!  T!CQ2N!  QQ!"#^ a(; ()?*@+$<A06?6#34':.'7; 2"#NA+-K(*p(*y 7<A($/((k06#@+7G M!]+()$e(?o'-K:=+6+G#@($=00*J#$.HG'0*+1 2.-K2=+78#P ! X2N !Q2N R! XC2N T!QC2N!  QX!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡ !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!   stQSX    !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !  !C2 R! XC2 T!CX2  Q!"#‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡#3[06$<A06‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡ ‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡!HG' 0*+1 P !  !DC R! C T!!  Q!+, 6I&aK3G‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡ ‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡‡!!#k06$10P ! +a2 !#k06$10 R! *Y06n0*7<A( T!?*Y06#*GK7„+!  QD!"#$%&'()(*+,  +#/0*+10(2:.()7"(806X!2!+w(@7y0*2"#7; :.#F(-`06 :.'7; $/(7\0o0$%&'!*+7)(*+,  +(cG0)$.P ! DC(2 !C(2 R! CQ(2 T!LCLD(2  QM!*'(U*V0*<*I0*:W!'+-K?*Y06-Z0:.?*Y06#3<A##310 3%063[(C?*@+$<A06(F(3%063[(:.-K?*Y067F06?\CH]^ G2GNF# _(F(#3`((cG3%063[(!'+*V(* K\07"06#u06*p!O0*6+G#@((cG2P ! G  B ! R!  T! 2  QL!"#(*+E(H.0#3%0HF0?O0*$.Q(2C^ GK^ G0*#3`(#*5067806 7+^ G#2:=+:>0#@(6)($.Q3G-N!VN@2GNF#06*p6+wG:>#:.2j#H.0 2 $.C!]+#G()#*\7j#2"#:>#0*]#310:i060.'(cGH.02.?*Y06Hy:k063G&G#2H.0P ! <x06#3%07906#2:=+H.0()HF0?O0*$.D(2 R! I0*#3%07906#2:=+H.0()HF0?O0*$.D(2 ! *Y06():i060.'#310H.0#*]G2Z0! T! *;06+=+*g0H_+*G+7<x06#3%07906#2:=+H.0()HF0?O0*$.D(2:.Q(2  X!"#Y#Y?o'2"#Y#Y('0()?*@+$<A06#J0:.(*gK0*G0*-;07, :=+:>0#@(HG07;  Hl06!R+E#7"(806(cG-K(Fd$.!  2!R]^ G$/((a0#F(-`06$10*G+Y#Y!G N*G+Y#Y7+ 7<A(X2!*+7)-K(Fd0@+*G+Y#Y-Z03G2•+7'g0$.h ! QC! SX 22 !QC! SQ 2 R! QC! SQ 22 T!QC! SX 2 D  stQSX     X!"#$/(#F(-`06:.'2"#:>#()?*@+$<A06?6$e(7; 7806K10:.$.2 (*':>#(* K\07"06!ˆ Z067<x062.:>#7+7<A(#3'06#*x+6+G0N$.h ! 2 !2 R! X2 T!C2  X!"#:>#7<A(#34'Hl062"#NA+-K:.'#3;02"##*G062FK!ZKNbd&Ed#*4'#*8#/#u$=0 7E00*](cG$/((k06-K#F(-`06:.':>##3'06(F(#3<x06*AdNG h ! *G062FK7806K10C#*G062FK7+& @06:=+#@(7"6+a2‚#*G062FK7+& @06:=+#@(7"#k06 ‚#*G062FK3U+#/-' R! *G062FK7806K10C#*G062FK7+& @06:=+#@(7"#k06‚#*G062FK7+& @06:=+#@(7"6+a2 ‚#*G062FK3U+#/-' ! *G062FK7+& @06:=+#@(7"6+a2‚#*G062FK7806K10‚#*G062FK7+& @06:=+#@(7"#k06 ‚#*G062FK3U+#/-'! T! *G062FK7+& @06:=+#@(7"6+a2‚#*G062FK7+& @06:=+#@(7"#k06‚#*G062FK7806 K10‚#*G062FK3U+#/-'!  XQ!*[0H+\ #*8(7e06! ! B !z  B!! R! z 2N rB! T!z 2N rB0!  XX!"#:>#()?*@+$<A06?6CHb#7; (* K\07"060*G0*-;07, :.NG ?*+7+7<A((2#*I ():>0#@($.C?2*!/(#F(-`06:.':>#$.h ! CX !QDC R! XC T!QCD  X!"#7vGd*5060*‰00l206G06^ GK7, & 06^ G0*2"##3`(#*50678067+^ G#2-vG :=+:>0#@(6)($.!310H,2j#(cG7vG()7j#*G+:>#()?*@+$<A06$.2C2C7<A(6+w:=+0*G H_+ *G+NA+-K0*<*I0*:W!*'a06(F(*#u*G+:>#7E0#3`($;0$<A#$.-C-!*5067y0*0.'NG 7K$. NG+P ! SB2!- !B{2!-…2!-|! R! B2!!- T!B2!-  2  - -   M  stQSX .    Đề kiểm tra môn cơ học chương động học chất điểm Đề 4b  !"#$%&'()(*+,  +#/0*+10$.(2!34'$%&'#*506780639+2)(:.'7;