sujet concours cpge par thème physique

02 Déc 2020, par dans Uncategorized

[(E)5.86664(n)-576.812(s)-3.1377(u)1.3483(b)1.3483(s)-3.1377(t)3.3531(i)0.671944(t)3.3531(u)1.3483(a)-6.01515(n)25.4383(t)-574.807(c)-1.3336(e)-1.3336(s)-581.298(d)1.3483(e)-1.3336(u)1.3483(x)-568.447(d)1.3483(e)-1.3336(r)-5.91517(n)1.3483(i)0.671944(�)-1.3336(r)-5.91517(e)-1.3336(s)-569.253(e)-1.3336(x)-2.33195(p)1.3483(r)-5.91517(e)-1.3336(s)-3.1377(s)-3.1377(i)0.673414(o)-6.01368(n)1.34683(s)-557.208(d)1.34683(a)-6.01368(n)1.34683(s)-569.253(l)0.673414(e)-1.33213]TJ [(z)-4.75507]TJ ET -269.88 -12 Td /R46 10.9108 Tf 1334.56 5419.16 l 9.24 -11.04 Td )0.264661]TJ [(2)1.16367]TJ /R19 9.96264 Tf /IM true 2179.63 5376.04 l 1 0 0 1 217.08 235.44 Tm Mines Physique et Chimie PCSI 2009 Corrigé Ce corrigé est proposé par Antoine Senger (Professeur en CPGE) et Tiphaine Weber (Enseignant-chercheur à l'université) ; il a été relu par Emmanuel Loyer (Professeur en CPGE), Thomas Tétart (ENS Cachan), Sandrine Brice-Profeta (Professeur agrégé en école d'ingénieur) et Stéphane Ravier (Professeur en CPGE). /R19 9.96264 Tf [(z)-52.9351(;t)-0.34994]TJ /IM true /R52 6.97385 Tf Q 10.56 0 Td 17.04 0 Td Q /IM true [(2)-6.01515(4)-487.815(U)3.02669(t)3.3531(i)0.671944(l)0.671944(i)0.671944(s)-3.1377(e)-1.33286(r)-427.489(l)0.671944(a)-415.545(f)4.35514(o)-6.01515(r)-5.91517(m)26.1147(u)1.3483(l)0.671944(e)-410.864(d)1.3483(e)-410.864(c)-1.3336(o)-6.01515(n)1.3483(j)4.35514(u)1.3483(g)-6.01515(a)-6.01515(i)0.671944(s)-3.1377(o)-6.01515(n)-408.182(d)1.3483(e)-410.864(D)4.86387(e)-1.33213(s)-3.1377(c)-1.33213(a)-6.01368(r)-5.91369(t)3.35237(e)-1.33213(s)-412.668(e)-1.33213(t)-418.223(l)0.673414(e)-1.33213(s)-412.668(d)1.34683(�)-1.33213()]TJ -281.28 -11.88 Td q /BPC 1 [(t)-0.34994]TJ /R42 11.9552 Tf [(d)0.930723]TJ 16.9533 0 Td S /R27 9.96264 Tf /R21 9.96264 Tf [(O)-4.24045]TJ x�]O1� �y? [(D)2.92107(o)2.92107(c)2.92107(-)2.92107(S)2.92107(o)2.92107(l)2.92107(u)2.92107(s)2.92107(. 0.6 -4.8 Td [(T)6.05452(�)1.64678(l)4.40938(�)1.64678(c)1.64188(h)-4.59889(a)25.2865(r)3.0338(g)5.19519(�)-359.703(g)5.19519(r)3.0338(a)-1.48014(t)-3.68238(u)-4.59889(i)4.40938(t)-3.68238(e)1.64678(m)-0.227085(e)1.64678(n)-4.60052(t)-338.266(s)5.76699(u)-4.60052(r)3.03216]TJ /R46 10.9108 Tf 267.72 0 Td /IM true /BPC 1 [(L)-1.49607(a)-439.635(q)-2.33122(u)1.3483(a)-6.01515(t)3.35237(r)-5.91517(i)0.671944(�)-1.3336(m)2.02465(e)-434.954(e)-1.3336(t)-442.313(d)1.3483(e)-1.3336(r)-5.91517(n)1.3483(i)0.671944(�)-1.3336(r)-5.91517(e)-434.954(p)1.3483(a)-6.01515(r)-5.91517(t)3.35237(i)0.671944(e)-1.3336(,)-432.948(q)-2.33195(u)1.34683(i)-444.992(t)3.35237(r)-5.91369(a)-6.01368(i)0.673414(t)3.35237(e)-434.952(d)1.34683(e)-446.997(l)0.673414(')0.673414(h)25.4368(y)-2.33195(g)-6.01368(i)0.673414(�)-1.33213(n)1.34683(e)-434.952(e)-1.33213(t)-442.313(d)]TJ [(z)-52.9351(;t)-0.34994]TJ endobj 11.52 0 Td [(3)-6.01368]TJ [(z)-4.75403]TJ /R21 9.96264 Tf [(. ID [()-5.89017]TJ /H 1 2179.63 4616.06 m [(O)-5.33879(n)-432.272(p)-22.7417(o)-6.01515(u)1.3483(v)57.893(a)-6.01515(i)0.671944(t)-430.268(r)-5.91517(e)-1.3336(t)3.35237(r)-5.91517(o)-6.01515(u)1.3483(v)21.758(e)-1.3336(r)-415.445(l)0.671944(a)-439.635(d)1.3483(i)0.671944(m)2.02465(e)-1.33213(n)1.34683(s)-3.1377(i)0.673414(o)-6.01368(n)-432.273(d)1.34683(e)-1.33213]TJ 6.6 0 Td BI 9.12 0 Td -264.72 -12 Td /R9 gs 4.2 0 Td /R46 9.96264 Tf -9.96 -15.36 Td /H 1 [(. Les énoncés des concours sont disponibles sur le site scei-concours.org, mais ils y sont dispersés.Ici, vous pouvez accéder aux énoncés de maths, physique, chimie et informatique posés aux écrits de Polytechnique, Mines/Ponts, Centrale/Supélec, CCP, E3A, ENAC et Mines Sup depuis 2000. <>endobj EI Q /R46 9.96264 Tf BI [( )-2.77264]TJ /R67 9.96264 Tf /R69 9.96264 Tf )0.673414]TJ 2.76 0 Td 2886.72 4229.17 l q <> )-481.127(U)3.02595(n)1.34683(e)-495.177(d)1.34683(e)-1.33213(r)-5.91369(n)1.34683(i)0.673414(�)-1.33213(r)-5.91369(e)-471.087(s)-3.1377(o)-6.01368(u)1.34683(s)-3.1377(-)-4.01108(p)1.34683(a)-6.01368(r)-5.91369(t)]TJ /R21 9.96264 Tf -247.56 -12 Td q 4 0 0 -231 1720.9 1602.9 cm q 105 0 0 -4 436.9 1671.9 cm 1 0 0 1 67.2 277.56 Tm [(l)0.671944(a)-331.23(f)4.35514(a)-6.01515(b)1.3483(r)-5.91443(i)0.671944(c)-1.3336(a)-6.01515(t)3.35237(i)0.671944(o)-6.01515(n)-323.867(d)1.3483(e)-326.549(l)0.671944(a)-343.275(c)22.7564(h)1.3483(a)-6.01515(u)1.3483(x)-315.502(d)1.3483(o)-6.01515(n)25.4383(t)-333.908(o)-6.01515(n)-323.867(r)-5.91517(e)-1.33213(c)-1.33213(o)-6.01368(u)1.34683(v)-2.33195(r)-5.91369(e)-314.502(l)0.673414(e)-1.33213(s)-328.353(m)26.1132(u)1.34683(r)-5.91369(s)-328.353(p)-22.7432(o)-6.01368(u)1.34683(r)-331.129(l)0.673414(e)-1.33213(s)-340.398(d)]TJ 255.48 0 Td /R21 9.96264 Tf /R21 9.96264 Tf /W 1 [(e)-1.33213(. [(n)25.4368(t)-394.133(l)0.673414(')0.673414(h)25.4368(y)-2.33195(p)-22.7432(o)-6.01368(t)3.35237(h)1.34683(�)-1.33213(s)-3.1377(e)-410.862(d)1.34683(')0.673414(u)1.34683(n)1.34683]TJ [(2)1.16367]TJ 34 0 obj EI Q h -255 -11.88 Td ET [(n)1.34683(o)-6.01368(m)2.02318(�)-1.33213(n)1.34683(e)-1.33213(s)-328.353(c)-1.33213(o)-6.01368(m)2.02318(m)2.02318(e)-326.547(l)0.673414(e)-326.547(f)4.35514(a)-6.01368(i)0.673414(t)3.35237]TJ /OpenAction [4 0 R /Fit] Q 276.12 0 Td 12.72 13.56 Td /R21 9.96264 Tf EI Q La partie « ondes » du programme peut être associée à tous les domaines de la physique (mécanique, électromagnétisme, thermodynamique, quantique etc.). Incertitudes-types composées; Écriture du résultat. 6.12 0 Td [(z)0.929253]TJ /R19 9.96264 Tf /R44 6.97385 Tf Q /R48 7.97011 Tf ET q 4 0 0 -231 2196.9 1602.9 cm [(s)-3.1377(i)0.673414(t)3.35237(i)0.673414(o)-6.01368(n)-335.913(d)1.34683(e)-1.33213(s)-328.353(m)2.02318(o)-6.01368(u)1.34683(t)3.35237(o)-6.01368(n)1.34683(s)-3.1377]TJ [( )-5.92546]TJ 2231.36 5298.43 l 2162.38 4694.82 l 8.33333 0 0 8.33333 0 0 cm BT [()4.84035]TJ /R21 9.96264 Tf /Annots[82 0 R [(A)20.448(n)-4.03313(n)-4.03313(a)5.09472(l)2.54662(e)2.1761(s)-362.094(d)5.09325(e)2.1761(s)-362.094(C)4.72272(o)5.09325(n)-4.03166(c)50.3561(o)5.09325(u)-5.49024(rs)-0.74399]TJ 2214.12 4581.57 l 1 0 0 1 409.56 674.04 Tm 6.24 0 Td [(. )1.25959]TJ 0 0 0 1 k Le partage des corrigés: maths, physique, chimie, annales bac et concours, bts, DUT, licence. (@)Tj /R46 9.96264 Tf 259.2 0 Td 2731.5 4513.73 l 6.6 3.96 Td S 9 -14.04 Td 2145.13 5288.66 l 263.04 0 Td /W 1 )0.673414]TJ ID q 4 0 0 -157 672.9 2232.9 cm [()-5.89017]TJ T*[(6)-499.86(D)4.86387(�)-1.33286()1.3483(n)1.3483(i)0.671944(r)-343.174(l)0.671944(a)-331.23(r)-5.91517(�)-1.3336(s)-3.1377(i)0.671944(s)-3.1377(t)3.35237(a)-6.01515(n)1.3483(c)-1.3336(e)-314.504(t)3.35237(h)1.3483(e)-1.3336(r)-5.91517(m)2.02465(i)0.671944(q)-2.33195(u)1.3483(e)-338.594(p)1.3483(a)-6.01515(r)-331.13(a)-6.01515(n)1.3483(a)-6.01515(l)0.673414(o)-6.01368(g)-6.01368(i)0.673414(e)-302.457(a)18.0763(v)21.758(e)-1.33213(c)-326.547(l)0.673414(')0.673414(�)-1.33213(l)0.673414(e)-1.33213(c)-1.33213(t)3.35237(r)]TJ [(L)-1.49607(e)-1.33286(s)-340.398(d)1.3483(e)-1.33286(u)1.3483(x)-327.546(d)1.3483(e)-1.33286(r)-5.91443(n)1.3483(i)0.671944(�)-1.3336(r)-5.91517(e)-1.3336(s)-328.353(p)1.3483(a)-6.01515(r)-5.91517(t)3.35237(i)0.671944(e)-1.3336(s)-316.308(c)-1.3336(o)-6.01515(n)1.3483(s)-3.1377(t)3.35237(i)0.671944(t)3.35237(u)1.3483(e)-1.3336(n)25.4383(t)-333.908(l)0.671944(')0.671944(�)-1.3336(t)3.35237(u)1.34683(d)1.34683(e)-338.592(c)22.7579(h)1.34683(i)0.673414(m)2.02318(i)0.673414(q)-2.33195(u)1.34683(e)-1.33213(. -154.8 -23.88 Td +33 (0)1 44 32 30 00 (standard) 283.08 0 Td Q ET /R21 9.96264 Tf /R19 9.96264 Tf Les énoncés des concours sont disponibles sur le site scei-concours.org, mais ils y sont dispersés.Ici, vous pouvez accéder aux énoncés de maths, physique, chimie et informatique posés aux écrits de Polytechnique, Mines/Ponts, Centrale/Supélec, CCP, E3A, ENAC et Mines Sup depuis 2000. /R46 9.96264 Tf [( )777(! 5.52 0 Td CS 44410 - 31405 Toulouse Cedex 4. /R19 9.96264 Tf 200.4 0 Td /R21 9.96264 Tf 9.72 0 Td 0 0 1 rg 15 -17.04 Td [( )728.839(! /R21 9.96264 Tf /H 1 2731.5 5134.6 l /W 1 23 0 R /R19 9.96264 Tf 3.6 0 Td [(K)-3657.62(P)3.27722(u)-4.63646(b)-4.63646(l)4.3718(i)4.3718(�)-345.938(d)-4.63646(a)5.19519(n)-4.63646(s)-344.167(l)4.3718(e)2.02906(s)3.8]TJ /R52 6.97385 Tf 70.92 0 Td /R27 9.96264 Tf [( )668.606(! Q [(d)0.929253]TJ /R21 9.96264 Tf 9.84 0 Td )0.264661]TJ -2.64 -0.24 Td 7.32 0 Td 8.4 0 Td 1 0 0 1 283.424 619.169 Tm [(=)-5.89017]TJ /R67 9.96264 Tf 81 0 Td 1 0 0 1 419.64 674.04 Tm )0.673414]TJ [(c)1.64228]TJ )0.673414]TJ -268.2 -14.76 Td [(z)-52.9351(;t)-0.34994]TJ [(o)-6.01515(r)-5.91443(i)0.671944(e)-1.33286(n)25.4383(t)3.35237(�)-314.504(s)-3.1377(u)1.3483(i)0.671944(v)57.893(a)-6.01515(n)25.4383(t)3.35237]TJ [(z)-4.75507]TJ [(])-289.08(=)-295.005(M)-336.681(L)-1.34095]TJ EI Q [(i)0.673414(r)-451.579(e)-1.33213(x)-2.33195(t)3.35237(�)-1.33213(r)-5.91369(i)0.673414(e)-1.33213(u)1.34683(r)-439.534(a)18.0763(v)21.758(e)-1.33213(c)-446.997(l)0.673414(a)-6.01368]TJ /R46 9.96264 Tf [(d)1.3483(o)-30.1051(c)-1.33286(u)1.3483(m)2.02392(e)-1.33286(n)25.4383(t)-333.907(p)1.3483(r)-5.91517(o)-6.01515(p)-22.7417(o)-6.01515(s)-3.1377(�)-314.504(a)-6.01515(u)-323.867(d)1.3483(�)-1.3336(b)1.3483(u)1.3483(t)-345.953(d)1.3483(u)-323.867(s)-3.1377(u)1.3483(j)4.35514(e)-1.3336(t)3.35237(. par Trystan Marquilly, Enzo Putrino, publié le 25/05/2020 Le meilleur moyen de diminuer la température d’un système est de favoriser les échanges d’énergie thermique avec l’extérieur. 21.96 7.32 Td )0.673414]TJ S 11.52 0 Td 185.4 0 Td [(z)-52.9351(;t)-0.34994]TJ q [()-1.66442]TJ /H 1 /IM true <>endobj 8.33333 0 0 8.33333 0 0 cm BT -14.88 -14.76 Td 5.76 -1.44 Td 8.28 -1.44 Td 279.6 0 Td [(\))2.55986]TJ 1016 4112 1889.17 1332.46 re W n /R19 9.96264 Tf /H 1 endobj 0 0 0 1 k /H 1 /R19 9.96264 Tf CCINP Physique PC 2019 -- Corrigé Ce corrigé est proposé par Jean-Christophe Tisserand (professeur en CPGE) ; il a été relu par Gaëlle Dumas (professeur agrégé) et Julien Dumont (professeur en CPGE). -201.36 -26.16 Td [(\))2.56133]TJ /R46 9.96264 Tf /R19 9.96264 Tf 3.84 -1.44 Td 1308.7 5134.6 l /IM true [(e)-1.33213(n)-335.913(r)-5.91369(�)-1.33213(g)-6.01368(i)0.673414(m)2.02318(e)-326.547(s)-3.1377(t)3.35237(a)-6.01368(t)3.35237(i)0.673414(o)-6.01368(n)1.34683(n)1.34683(a)-6.01368(i)0.673414(r)-5.91369(e)-169.962(:)0.673414]TJ [( )728.82(! [(O)-5.33879(n)-323.867(r)-5.91443(e)-1.33286(t)3.3531(r)-5.91443(o)-6.01515(u)1.3483(v)21.758(e)-314.504(u)1.3483(n)1.3483(e)-338.594(�)-1.3336(q)-2.33195(u)1.3483(a)-6.01515(t)3.35237(i)0.671944(o)-6.01515(n)-323.867(d)1.3483(e)-338.594(d)1.3483(i)0.671944()5.02708(u)1.3483(s)-3.1377(i)0.671944(o)-6.01368(n)-323.868(a)18.0763(v)21.758(e)-1.33213(c)-326.547(p)-22.7432(o)-6.01368(u)1.34683(r)-331.129(c)-1.33213(o)-30.1037(e)-1.33213()2.02318(c)-1.33213(i)0.673414(e)-1.33213(n)25.4368(t)-321.863(d)1.34683(e)-338.592(d)]TJ /R21 9.96264 Tf 6.6 0 Td 3.84 -1.44 Td [(t)3.3531(h)1.3483(e)-1.33286(r)-5.91443(m)2.02392(i)0.671944(q)-2.33122(u)1.3483(e)-338.593(e)-1.3336(t)-321.863(p)1.3483(a)-6.01515(r)-331.13(s)-3.1377(u)1.3483(d)1.3483(a)-6.01515(t)3.35237(i)0.671944(o)-6.01515(n)1.3483(. [(K)-3657.62(P)3.27722(u)-4.63646(b)-4.63646(l)4.3718(i)4.3718(�)-345.938(d)-4.63646(a)5.19519(n)-4.63646(s)-344.167(l)4.3718(e)2.02906(s)3.8]TJ [(d)0.930723(T)-0.69988]TJ [(1)1.16367]TJ [(2)-6.01368]TJ -274.92 -14.76 Td 1 0 0 1 239.16 228.6 Tm Les étudiants optent pour un des thèmes définis pour leur filière et choisissent définitivement un sujet se rapportant à ce thème, en accord avec leurs professeurs : le libre choix des étudiants doit être éclairé par une présentation simultanée des différents thèmes par les professeurs de la classe. [(\r)-3.51656]TJ 3.84 0 Td ET 0 0 0 1 k 1 0 0 1 54.96 674.28 Tm 7.8 0 Td /R27 9.96264 Tf /W 1 ET On la retrouve régulièrement aux concours, et très souvent à Centrale ou aux Mines. [(p)-22.7417(o)-6.01515(u)1.3483(r)-331.13(c)-1.3336(o)-6.01515(n)1.3483(n)1.3483(a)-6.01368(�)0.673414(t)3.35237(r)-5.91369(e)-326.547(l)0.673414(')0.673414(�)-1.33213(v)21.758(o)-6.01368(l)0.673414(u)1.34683(t)3.35237(i)0.673414(o)-6.01368(n)-311.823(d)1.34683(u)-335.913(s)-3.1377(y)-2.33195(s)-3.1377(t)3.35237(�)-1.33213(m)2.02318(e)-1.33213(. 77 0 obj /R19 9.96264 Tf 1 0 0 1 66.36 674.28 Tm 6.96 0 Td 15.48 0 Td 5.04 3.72 Td )4.3718]TJ 6.24 0 Td 6.72 3.96 Td /H 1 Q /R19 9.96264 Tf [(z)-4.75507]TJ /R19 9.96264 Tf /BPC 1 79.44 4.8 Td /R69 9.96264 Tf 2731.5 5134.6 m /H 1 21.12 0 Td 1 0 0 1 408.24 674.04 Tm 3.84 -1.44 Td -2.64 -0.24 Td /R44 6.97385 Tf 6 0 Td [(U)3.20975(\()2.55986]TJ 277.92 0 Td /R21 9.96264 Tf [(d)1.34683(e)-326.547(l)0.673414(a)-343.274(m)2.02318(a)-6.01368(n)1.34683(i)0.673414(�)-1.33213(r)-5.91369(e)-314.502(s)-3.1377(u)1.34683(i)0.673414(v)57.893(a)-6.01368(n)25.4368(t)3.35237(e)-169.962(:)0.673414]TJ EI Q 0 0 1 rg 9.84 1.44 Td <> [(+)-222.735(d)0.930723]TJ [(. [ 34.4923 ] 0 d -281.88 -14.76 Td endobj /BPC 1 /R10 8.96638 Tf ET [(a)-1.97907]TJ BI [(2)-6.01515(9)-487.815(L)-1.49607(a)-6.01515(i)0.671944(s)-3.1377(s)-3.1377(�)-326.548(�)-331.23(l)0.671944(')0.671944(a)-6.01515(i)0.671944(r)-331.13(l)0.671944(i)0.671944(b)1.3483(r)-5.91517(e)-1.3336(,)-324.543(o)-6.01515(n)-323.867(s)-3.1377(u)1.3483(p)1.3483(p)-22.7417(o)-6.01515(s)-3.1377(e)-326.549(q)-2.33195(u)1.3483(e)-338.594(l)0.671944(')0.671944(o)-6.01515(n)-323.867(d)1.34683(�)-1.33213(n)1.34683(a)-6.01368(t)3.35237(u)1.34683(r)-5.91369(e)-326.547(l)0.673414(a)-343.274(t)3.35237(o)-6.01368(t)3.35237(a)-6.01368(l)]TJ 1 0 0 1 234.12 428.88 Tm [(Q)-0.793982]TJ [(d)0.929253]TJ EI Q 8.33333 0 0 8.33333 0 0 cm BT q Présentation. -99.3534 102.376 Td -299.76 -12 Td 10.56 -1.44 Td /R27 9.96264 Tf Q /R9 gs 1 0 0 1 330.12 18.48 Tm /BPC 1 /R46 9.96264 Tf 8.33333 0 0 8.33333 0 0 cm BT [(Z)0.930723]TJ S -243.24 -22.56 Td /R46 9.96264 Tf /R46 9.96264 Tf [(c)-1.62031()-0.249957]TJ 4.31154 w 1 0 0 1 160.56 18.48 Tm /R17 9.96264 Tf /R46 9.96264 Tf [(z)2.31257]TJ <> W* n 1 0 0 1 254.88 222.12 Tm [( )728.839(! BI )0.264661]TJ 1334.56 4151.56 m 3.84 0 Td /R21 9.96264 Tf 4.8 0 Td /R44 6.97385 Tf <> /R21 9.96264 Tf 6.6 1.44 Td [(s)-3.1377(e)-1.33286(u)1.3483(r)-5.91443]TJ ID T*[(|)-1.43946]TJ /R21 9.96264 Tf [(A)3.02669(p)1.3483(r)-5.91443(�)-1.33286(s)-496.983(u)1.3483(n)1.3483(e)-507.224(p)1.3483(r)-5.91517(e)-1.3336(m)2.02465(i)0.671944(�)-1.3336(r)-5.91517(e)-483.134(s)-3.1377(o)-6.01515(u)1.3483(s)-3.1377(-)-4.00961(p)1.3483(a)-6.01515(r)-5.91517(t)3.35237(i)0.671944(e)-483.134(c)-1.3336(o)-6.01515(n)1.34683(s)-3.1377(a)-6.01368(c)-1.33213(r)-5.91369(�)-1.33213(e)-471.087(�)-499.859(l)0.673414(a)-499.859(d)1.34683(i)0.673414()5.02855(u)1.34683(s)-3.1377(i)0.673414(o)-6.01368(n)-504.543(t)3.35237(h)1.34683(e)-1.33213(r)]TJ 2214.12 5031.12 m [(d)1.3483(a)-6.01515(n)1.3483(s)-328.353(u)1.3483(n)-335.912(t)3.35237(r)-5.91517(o)-6.01515(u)1.3483(p)-22.7417(e)-1.3336(a)-6.01515(u)-323.867(e)-1.3336(x)-2.33195(p)-22.7417(o)-6.01515(s)-3.1377(�)-326.549(a)-6.01515(u)-323.867(f)4.35514(r)-5.91517(o)-6.01515(i)0.671944(d)1.3483(. ID 7.32 6.84 Td BI /R19 9.96264 Tf 39 0 obj /R21 9.96264 Tf S stream /R52 6.97385 Tf 5.64 3.6 Td 5.52 0 Td Q /R46 9.96264 Tf [(s)-3.1377(o)-6.01515(l)0.671944(u)1.3483(t)3.3531(i)0.671944(o)-6.01515(n)-287.732(a)-6.01515(q)-2.33195(u)1.3483(e)-1.3336(u)1.3483(s)-3.1377(e)-1.3336(. /BPC 1 [(])-289.08(=)-282.96(M)0.579313(L)-326.554()-5.92546]TJ ET )0.673414]TJ 7.8 0 Td /H 1 38 0 obj /R27 9.96264 Tf [(T)-0.69988(\()2.56133]TJ Q 2896 5445 l [(0)-5.88984]TJ Le thème du TIPE en prépa: le transport, l’océan ? q 4 0 0 -104 767.9 473.9 cm [(a)18.0749(v)21.7588(e)-1.33286(c)-1.33286]TJ ET 10.8 -8.76 Td 1 0 0 1 75 642.84 Tm [(r)-5.91369(a)-6.01368(n)1.34683(c)22.7579(h)1.34683(e)-410.862(d)1.34683(')0.673414(�)-1.33213(p)1.34683(a)-6.01368(i)0.673414(s)-3.1377(-)-4.01108]TJ q [(8)-499.86(P)5.86664(r)-5.91443(e)-1.33286(n)1.3483(d)1.3483(r)-5.91443(e)-314.503(e)-1.33286(n)-311.822(c)-1.3336(o)-6.01515(m)2.02465(p)1.3483(t)3.35237(e)-326.549(l)0.671944(e)-1.3336(s)-316.308(6)-319.185(r)-5.91517(�)-1.3336(s)-3.1377(i)0.671944(s)-3.1377(t)3.35237(a)-6.01515(n)1.3483(c)-1.3336(e)-1.3336(s)-304.263(t)3.35237(h)1.3483(e)-1.33213(r)-5.91369(m)2.02318(i)0.673414(q)-2.33195(u)1.34683(e)-1.33213(s)-316.308(\()3.35237(�)-319.184(c)-1.33213(a)-6.01368(u)1.34683(s)-3.1377(e)-302.457(d)1.34683(e)-1.33213(s)]TJ )0.673414]TJ <> [(t)5.46965]TJ /H 1 273.72 0 Td /R12 8.96638 Tf Trier les annales par année . /W 1 [( )-2.77264]TJ [(i)0.671944(n)1.3483(d)1.3483(�)-1.33286(p)-22.7417(e)-1.33286(n)1.3483(d)1.3483(a)-6.01515(n)25.4383(t)3.3531(e)-1.33286(s)-3.1377(. /H 1 /W 1 /R10 8.96638 Tf /R21 9.96264 Tf 11.16 0 Td ET 1 0 0 1 68.28 46.8 Tm /R21 10.9108 Tf Q stream 4.8 TL 05 62 47 33 43. <> Q /R21 9.96264 Tf Sujet de Concours (avec corrigé) pour les classes prépa MP, PC, PSI, TSI, BCPST, HEC [(a)-1.97981]TJ [(T)-0.69988]TJ h ET 11.28 0 Td <>endobj q q 105 0 0 -4 530.9 4941.9 cm /R21 9.96264 Tf [(L)-1.49607(a)-331.23(d)1.3483(e)-1.33286(u)1.3483(x)-2.33195(i)0.671944(�)-1.3336(m)2.02465(e)-326.549(p)1.3483(a)-6.01515(r)-5.91517(t)3.35237(i)0.671944(e)-1.3336(,)-312.498(t)3.35237(r)-5.91517(�)-1.3336(s)-328.353(c)-1.3336(o)-6.01515(u)1.3483(r)-5.91517(t)3.35237(e)-1.3336(,)-312.498(a)-6.01515(b)-22.7417(o)-6.01368(r)-5.91369(d)1.34683(e)-326.547(b)1.34683(r)-5.91369(i)0.673414(�)-1.33213(v)21.758(e)-1.33213(m)2.02318(e)-1.33213(n)25.4368(t)-309.818(d)1.34683(e)-1.33213(u)1.34683(x)-327.547(d)1.34683(e)-1.33213(s)]TJ /R46 9.96264 Tf 5.88 0 Td [(s)-3.1377(e)-326.549(d)1.3483(�)-1.3336()1.3483(n)1.3483(i)0.671944(t)-345.953(p)1.3483(a)-6.01515(r)-319.085(r)-5.91517(a)-6.01515(p)1.3483(p)-22.7417(o)-6.01515(r)-5.91517(t)-321.863(�)-6.01368]TJ [()4.84035]TJ /IM true 5.88 0 Td 254.76 0 Td 3.6 0 Td /BPC 1 [(z)-4.75507]TJ 21.84 0 Td CONTACT. /R44 6.97385 Tf <> 27 0 obj endobj /IM true /W 1 /R27 9.96264 Tf BI 4.92 7.44 Td Le report annoncé le 24 mars 2020 par la ministre Frédérique Vidal des épreuves de concours post-CPGE fixe un cap plus clair ... soulevées par la spécialité ... tout lire. 8.33333 0 0 8.33333 0 0 cm BT 6 0 Td 9 0 Td 82 0 obj 0 0 1 rg endobj 4.8 TL 7.44 0 Td /R46 9.96264 Tf /R52 6.97385 Tf 1 0 0 1 341.28 343.32 Tm 1 0 0 1 52.44 475.2 Tm De ce fait, il ne faut pas la négliger, et y consacrer du temps ! /R73 9.96264 Tf /R44 7.63754 Tf /W 1 8 0 obj 276.24 0 Td /R19 9.96264 Tf 0 0 1 rg [(d)1.34683(e)-326.547(l)0.673414(a)-343.274(q)-2.33195(u)1.34683(e)-1.33213(s)-3.1377(t)3.35237(i)0.673414(o)-6.01368(n)-323.868(1)-6.01368(2)-6.01368(. 2145.13 4616.06 l -267.72 -12 Td : liste Quelques liens directs : 50 0 obj 210 0 Td /H 1 /R46 9.96264 Tf 72.72 0 Td [(\()2.56133]TJ /R19 9.96264 Tf -14.88 -14.76 Td [(e)-1.33213(t)3.35237]TJ EI Q 2231.36 5211.05 m 261.84 0 Td 4.8 TL T*[(d)0.931741(S)0.929056]TJ 12.24 0 Td <> [(g)-6.01368(e)-459.042(d)1.34683(e)-471.087(t)3.35237(e)-1.33213(m)2.02318(p)-22.7432(�)-1.33213(r)-5.91369(a)-6.01368(t)3.35237(u)1.34683(r)-5.91369(e)-1.33213]TJ 73 0 obj 1 0 0 1 98.4 58.8 Tm /R27 9.96264 Tf endstream [(\()3.35237(o)-6.01368(n)-444.318(c)-1.33213(o)-6.01368(n)1.34683(s)-3.1377(i)0.673414(d)1.34683(�)-1.33213(r)-5.91369(e)-434.952(u)1.34683(n)1.34683]TJ 41 0 R /BPC 1 8.33333 0 0 8.33333 0 0 cm BT /R48 7.97011 Tf /R46 9.96264 Tf )0.671944]TJ 3.84 0 Td 253.32 0 Td /R27 9.96264 Tf 5.88 3.72 Td 51.72 0 Td 8.33333 0 0 8.33333 0 0 cm BT 71.28 -16.68 Td [(Q)-282.96(=)-270.915(L)-1.33948(H)3.20975]TJ -132.72 -26.52 Td /BPC 1 N’hésite pas à y faire un tour pour savoir en détail ce que le jury attend de toi. 279.24 0 Td 7.8 4.68 Td -21.6844 74.5153 Td 22.68 0 Td BI /R46 9.96264 Tf 2196.87 5211.05 l /R27 9.96264 Tf Q [(\))-274.474(=)-5.92546]TJ q EI Q 12.48 6.84 Td q 4 0 0 -100 767.9 2761.9 cm 1 0 0 1 408.24 674.04 Tm 3.84 0 Td Cette plaque est constituée d'une émulsion de gélatine épaisse (épais-seur égale à une cinquantaine de ), à grains fins d'halogénure d'argent et transparente. ET [(T)-0.69988]TJ /R19 9.96264 Tf T*[(|)-1.43946]TJ [(L)-1.49607(a)-439.635(t)3.3531(r)-5.91443(o)-6.01515(i)0.671944(s)-3.1377(i)0.671944(�)-1.3336(m)2.02465(e)-422.909(p)1.3483(a)-6.01515(r)-5.91517(t)3.35237(i)0.671944(e)-434.954(�)-1.3336(t)3.35237(u)1.3483(d)1.3483(i)0.671944(e)-446.999(l)0.671944(a)-439.635(c)-1.3336(o)-6.01515(m)2.02465(p)-22.7417(o)-6.01368(s)-3.1377(i)0.673414(t)3.35237(i)0.673414(o)-6.01368(n)-432.273(e)-1.33213(t)-430.268(l)0.673414(e)-1.33213(s)-448.803(q)-2.33195(u)1.34683(a)-6.01368(l)0.673414(i)0.673414(t)3.35237(�)-1.33213(s)-436.758(d)1.34683(')]TJ /R71 9.96264 Tf q /H 1

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