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2014/2013 tJJ_,11 >l.;4,o
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. ;JL: �(ab +-1 1 · :J� - 2 ab 1 � .
sin(a-f]J �
b=cos/3-isinf] J a=cosa-isina ,:;·.s.1::! (7
COS! C<' -f]) jcl �
-cos<a-f]) Qsin( a - f])12._
: �J D .> C J B J A �1 .}�1 .....-' : j :, .> =u >: 'w.i'.S t�:. t �t.:..l ..;JIJ!.o :!.BCD (8
z, •=:, = z.'I +=r W - +- -- - r:71- 1 -c - -11 - -.? � :_-f -=fJ: =c �=D
-, A
�.;'.$;.!li U)I.....J',.jy..,.ll(P)...;;.....Jlj J 4':-'....!._,/11.-'.!.0J ·�YY' _;li (S) :..sllll fa (9
�(Pl ..,µ1.J !S) ülill�lj; y,• .... x�y-3:+4=0
3Jïo r=- -
1 1
rl(J.-5.01 �:.,;·.\\ ŒJ
10-n,;.:. l', jJ.:.;.... .$.P-f.J, •'>'"" ;_;S 10-n J .1;.r- •.f n _,Je. l.·, j.;.>Lo ..;� (10
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UNIVERSITE HASSAN II AIN CHOCK
FACULTE DE MEDECINE DENTAIRE *** CASABLANCA***
Concours d'entrée 2013/2014 Epreuve de physique
ü�,.!t, I� . ,-1_,.J1.fa, ,sfa..J.J � w;."/1 ,_,...n _,«i.) ê)'.,ill ,:,. c;Jilll yâl.,i...l Y.l+'i ""-"
a.,/.JtJ .,,J,0118 u,;h!J .,;.,./1"1)) t-,.A# :,t.,,f t.t..,,;..; i.Jw � ,,a..,.i... ,Ü,..,fJ,' w,.i5IJ A u.)b/1 � ",AJ-d 4->-...,.,tJ,ç. .!.,,.,, :',y.JI!� ,(,HIJ.,J,:,..,.,.iJ _µ;,:,ç,..,_,,JJ,Z. A u..,J,11,:;. .W,..WJ 4..,..JI (Ill�� ..,..t.... c:,,,i�
. r = 1,4 �;..,JW"I�: r ..
. T= 278K Y.AN'Yl,.,i•IJfll�•.;l,;,>J/4..>':T .(P(Pa)= F(N)) <i:uJT,,.b..;Jfu..,.,,)R=8,31Pa.m1.mor1.K-1 y;..p.U.ISJl,:,f,WT.:.S,./J:R -
S( m 2 J.. �f�Z9g!mol •I.JfJl-<.,JJ,4!11t;�1 :.\f ..
.:.t.J.J..,:H �J .V .,.�J4S0 m.s·' ,WI ,.,l ,:,� _,i..:;;11;;..,... J V-5800 m.s"1 JY..,JJl,_,l .:,.,.,.If ..).Z,.1 <1>.,,,..:,,:,..;/ ..- • f20flt 20kHzf <1>..,.......n
.---
{A):V =�
yRT e.•,
,...,,,
(8): V = Jll1T '" yR
· ��-"JI ,t� .) V <:.�I ._.. .i"' .:F- .J!:"l!I � · Q 1. . ., . . . .
(C): v.,, = Jr7:�
(E): (D): v., = ..,..,-�
1 {A): • 33,4m I s (8): 33400m/s (CJ:X: 334mls (D): 3340n, ! s (E): �f 'r'W
. . . · B u.;l,JI..., �1....u,.i1 �- Q 3
( A}: .JaJJ .:,,;,.a (8): ,:,i;J"' X: (C}: ,:,J>-"/ ,:,:,e y · {D): ��y (E): ,pÎ <,,IP. .
fAJ:L,.97mX. (8): LPSJ7m (C): L.,9,,, (D):1. .. sm l {E): �1.,,1,»
1 ; • .À ..i.,l,ll ... ..,..s\sj
1 (A): d"' 76cm {8): d., 38cm (C): 'd .. J9c111 {D): d�9,Scm {E): .,Pi y/,»
iiuJ,..tl C."i�t , Il c>J_,..:i
; ._.,1.ll1 lJ.it...!1 � ;11 w.f,.f, e,-1:Ju t»'W�I ;_,,; J<.111;-rp=
.-. =-] ,-}-Q:-W:-_ �.)fS.11 �.>" ,s.ui J<.li.. y!i.)
. (a> J) l Ô'..>Pl � = 0 .:.,... �;u + ;11 ;sr+ 1::xe+'ti( ;,x) ç(';;Xe)=8,2MeV /11ucléo11 J ç( 1!U)=7,5MeV /11ucléon :<,il.:Jl cs_,.!l�.b/_,ll;Ju,.,i,.;
m(2::u )= 390,219.JO"" kg J ç( ;:sr)= 8,5il1eV / 11uclé'QJI ]eV= 1,6.JU-" J
. ' . .
(A): ""',.,.... X (8): . ., (C): r.W,;f � (D): _,Jl.iJ; IF>: ·j <AH - ,.,,. . .
(A): ( 1,2,0) rs;:Xr2,1,0J (C): (2,2,0) {D): (3,J,0) (E): _,.;f <,,!,Ho
(A): w�.>t)( (8): c:,.,;.µ (C): . . . (D): � l (E): _,.;/ <,,!,HoüJ.>'<;.H
'
.
(A):+/84,5 1 (8):+9,2 . X (C):+8,28.JO'" (.f>):+24,2 (E): ·j .,. ':4Ji,1 1
(A}: p"' 33% (8): p = 50% (C}: p = 25% (0): p = 4-1% ')( 1 (E): _pl -.,/.P. '.
K
i L,r
D "�.),6=JI , ITI c:,.,_,..:;: ,:,. c,,,S:W\., '-il� �1 .) � �\ ,#,foll .,r,.;
. E = 24V �..,...)4-IJI .;_,i.,;_,m.;:..,;.. .11,. •
E',r'
Ri
. r=/012 �Ju.., L=2H �v-1>..� •. R = 11 on �..,.Ji.;....,.. •
J.jJj< r' �1.lll.._..fa.o..i E' �..,..."'5v•S•ll.;_,;.s..,._. M • . 41 W ,,. J)ll. lt t"'JI .,!<, 1n = 10 g w �.,,:,. � �· ù.J>I
. � ,.,a:t, et...o D •g=JON /kg :,;.1.;
., A � • i + A� = 8 :(lS.lJI .,1' ....W i �.\;:li l..1.11 ..,W,\&,l\ � , K .J,i,,ll &J �, r = 0 �\ J.lr. :Q .11dt
(A):
A=R+r;B= ..E._ L R+r
R + r{A): 'l'
L
(B): L EA�;B� R R
L (8): T=-
R
(A): 10
=Ô,22A (8): 10
=2,40A
" {A) : ÇM = 0,04J (B): ç. = 0,4J
(C}: L E A--·B---·
J -
R R+r
L (C): -r=-
r
(C):
• t. B:�i�lâ�
(E): X L BA- ·B-
� -
. -
R+r R+r _,i.T
L )< (E} :.ftl .,,1.P.-(t> ): -r=
R + r
{C): I• = 0,20A 'X (t>): 10
= O,JOA (E) :.,;.î yl,P.o
(C): ç,. = 4J (1>): (,,. = O,JJ E): ,>i.1 Yl.Rt
.üw1eW..1l /, l..;i • 30% p t,,!U. >.J'..J'ol,111 � WI.;�� (t >-5,3T) t <.lW J.lr. l(;l#leJ,tl �: Q.15
(A): lt = J 2cn, 1 (8): t, = 20c111 D
· J' /Il -W...11.
(C): lt"' 100cm (0): h"' J 5Cttl (E): .,;i,Ï YI» 1
�I<'. �, Il ' [V c:,.,_,..:; • .»,:,. ,:,.,s.. �.; l.s... .,1' � � � 111 .usa (S) .,,i... � .SA
. ""'\+ <lS,.:J1 ùH1 w O ,JS.;,v r "'t...:. CD .,..,.,, •� AC " .. ;, .. ,. ,:,. � � >-W'i � , AB •.»Il u,i, � .<.;l;I i.,.I (S) r-*3! .,1' d;loi
� B -U.1.l! • ·' --• t= O lJwl\ · A <bim' V JI .J'oAt <ri ..,...,. (:F
.g=l0111.s· 1 :.;.t..,=�.;....;
I , .,.,� I
,'!,Ho �
(A): v,. =
X '2F
{8): V. = ,J__:_111.I (C}: v
8 = g, (D): v
a
=JF.I (E): ..,;.l '
(A): �
(A): "M
=
�"'5-2.g.r.(l-cas8)
(A): R =y nul..
:.::::.1!. + n,g( 3 eas 8-2 r
( )· F. _ Sn1.g.rA . o- 21
(8): x'
Va�..,....lJ�
(8):vM
=
Jv;, + 2.g.r.(J.-CfJS8)
(8):R =
,,.,1 . --2+,,,g(Jcos8+2)
r
(8): F. _ 21 .-m.g.r
'
,n
(C}: i (!)): (E) :•.• ,.0 .,...� "" .;....l V•"' ..,..n.:,. .JISI .,iJ wl .�
(C): v,., = (D):v . ., = 1
(E) :Ji1,,-2g.r.(cos8-I) Ji?,,-2g.rJ11(i-ros8/ ..,;.I -.,\.P.è
(C): R: (D):R= {E) 11-iv'
' .,.l,i. nur: :.:.::.JJ. + 11,g( 2(.'()S 8 -3) :.::;:JJ. + mg(J(.'()S8-2) .,;.ir 2r
(C): F0
= 111.g (!)): F0 = 2111.g.r (E) :.,iJ yl.,,,
•
