Temas de Física-Cuadernillo de Trabajo Cbtis
February 1, 2023 | Author: Anonymous | Category: N/A
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Xkjes hk Iêsaoe
_u`skorkterêe hk Khuoeoaÿl Jkhae _upkragr Harkooaÿl Dklkrec hk Khuoeoaÿl Xkolgcÿdaoe Alhustraec y _krvaoags
LGJ@PK HKC XKJE= GLHE_ JKOÅLAOE_ (Jertêlkz Cgze O ;1) 5. ALXPGH[OOAßL. ·Uuá ks ule glhe7 Ks ule pkrtur`eoaÿl quk sk prgpedel gsoacelhg pkraÿhaoejkltk, e trevás hk ul jkhag jetkraec hkigrje`ck (kcåstaog) g kl kc k c veoêg. Xgjkjgs ule oukrhe kl kstehg hk rkpgsg Ce jgvkjgs hkc kxtrkjg azquakrhg feoae erra`e y feoae e`emg y sk prghuok ce pkrtur`eoaÿl.
Rkrtur`eoaÿl
Eulquk su hkialaoaÿl lg lgs rksucte tel iejacaer, ogtahaelejkltk altkreooaglejgs
ogl ces glhes ec pkroa`ar iklÿjklgs ogjg ce cuz, kc sglahg, ces gces hkc jer, kc jgvajakltg hk ul oukrhe, ces skõecks hk rehag y tkckiglêe okcucer, kltrk gtrgs. gtr gs. Igrjeoaÿl hk ule glhe. [le glhe sk igrje ouelhg ule pkrtur`eoaÿl, prghuok ul ajpeotg kl ule hktkrjalehe pertêouce hkc jkhag, e kste zgle sk ck hklgjale igog hk ce glhe y e pertar hk eccê, sk dklkre ce gsoaceoaÿl pkraÿhaoe g jgvajakltg glhucetgrag, kl tghes ces harkooaglks, pgr ces quk sk kxtaklhk e pertar hkc igog, sakjprk y ouelhg sk oglskrvkl ces jasjes oereotkrêstaoes iêsaog- quêjaoes.
EOEHKJAE HK IÊ_AOE IÊ_AOE HKC K_XEHG HK OEGEF[ACE HK ]EPEDG]E
_u`skorkterêe hk Khuoeoaÿl Jkhae _upkragr Harkooaÿl Dklkrec hk Khuoeoaÿl Xkolgcÿdaoe Alhustraec y _krvaoags
Rgsaoaÿl hk rkpgsg
Hk eoukrhg e cg eltks hksoratg, pghkjgs herlgs ouklte quk ule glhe trelspgrte klkrdêe, pkrg lg jetkrae, ye quk ces pertêouces sgcg va`rel, ecrkhkhgr hk ce pgsaoaÿl hk kquaca`rag pkrg lg vaemel ogl ce pkrtur`eoaÿl. Ces glhes sk ocesaiaoel hk eoukrhg cgs oratkrags quk e ogltalueoaÿl sk hksora`kl= Jkhag hk prgpedeoaÿl. Glhes jkoålaoes= sgl equkcces glhes quk vaemel hk ul cuder e gtrg e trevás hk ul jkhag g kcåstaog, gradalelhg ule pkrtur`eoaÿl tkjpgrec kl kstk jkhag, sal qukhkigrje`ck kstk sk trelspgrtk hk ul cuder e gtrg. Kste pkrtur`eoaÿl goesagle oej`ags kl ce pgsaoaÿl, vkcgoaheh y klkrdêe hk sus åtgjgs g jgcáouces _gl kmkjpcg hk kstk tapg hk glhes kc sglahg, ule glhe sêsjaoe, ule gce, ce glhe hk ule oukrhe, kltrk gtres. Rertks hk ule glhe=
0. KMKJRCG_. Kmkjpcg 5. [l `gtk quk sk kloukltre elocehg, ks jgvahg pgr glhes ouyes orkstes kstål skperehes 5;j y ouye repahkz ks ?2j/s. ·ogl quá irkoukloae ces gces cckdel ec `gtk7
EOEHKJAE HK IÊ_AOE IÊ_AOE HKC K_XEHG HK OEGEF[ACE HK ]EPEDG]E
_u`skorkterêe hk Khuoeoaÿl Jkhae _upkragr Harkooaÿl Dklkrec hk Khuoeoaÿl Xkolgcÿdaoe Alhustraec y _krvaoags
?. Hetgs= Y : ?2 j/s ξ: 5; j Ces ulahehks kstål kl jktrgs, lg sk taklk quk oglvkrtar lehe.
Iÿrjuce hk vkcgoaheh= v : ξi (cej`he pgr irkoukloae), hk equê pghkjgs hkspkmer irkoukloae (i) i : :
/
: 0 s-5 : 0 Fz
/ , cgs jktrgs hkseperkok hkseperkokl l y cgs skdulhgs, ogjg kstål kl kc hklgjalehgr, ec pe pesercg sercg erra`e pese -5
kckvehg e ce jklgs 5, g ske e ce alvkrse. Rgr ksg pese e ce jklgs ulg 0 s y ksg sadlaiaoe 0 Fz.
Kmkjpcg 0= [le glhe vaeme ogl ule vkcgoaheh hk 92j/s. sa sk se`k quk ce hasteloae kltrk orkste y orkste kc hk 022oj. (i) Hktkrjaler kc pkrêghg (X) y ce irkoukloae (i)
Hetgs= Y: 92j/s ξ: 022 oj : 0j 0j X :7 :7 i :7
: 2.2???s /
qukhe X : : Y : , hkspkmejgs X y qukhe
EOEHKJAE HK IÊ_AOE IÊ_AOE HKC K_XEHG HK OEGEF[ACE HK ]EPEDG]E
_u`skorkterêe hk Khuoeoaÿl Jkhae _upkragr Harkooaÿl Dklkrec hk Khuoeoaÿl Xkolgcÿdaoe Alhustraec y _krvaoags
i : , (i ks ce alvkrse hk X), i :
. : ?2.2?s
-5
: ?2.2? Fz
Kmkjpcg ?= [le oukrhe ks edatehe hk jelkre vkrtaoec feste ule ecture hk 02 oj, igrjehg glhes trelsvkrsecks. _a ce hasteloae kltrk ul vecck y gtrg ks hk ;2 oj y sk se`k quk sk rkecazergl 6 oaocgs kl ; skdulhgs. Hktkrjaler= Ykcgoaheh hk glhe (v), irkoukloae (i), pkrêghg (X) y ejpcatuh. E:02oj
Hetgs=
E : 02 oj : 2.0j ξ: ;2 oj oj : 2.;j Lg. Hk oaocgs : 6 Xakjpg : ; skd Rere hktkrjaler ce irkoukloae ouelhg tklkjgs oaocgs y skdulhgs, ce iÿrjuce skrêe= i : (Lg hk oaocgs)/takjpg : 6/;s : 5.9 Fz (ce i sakjprk sgl Fz) Rere ce vkcgoaheh tklkjgs= v : ξi : 2.;j x 5 5..9Fz : 2 .6j /s Rere pkrêghg X, tklkjgs= X : 5/i : 5/(5.9Fz) : 2.90s Kmkjpcg 8= Ce saduakltk dråiaoe rkprksklte kc pkriac hk ule glhe trelsvkrsec quk sk prgpede e rezÿl hk 022 j/s pere ul alsteltk hehg.
EOEHKJAE HK IÊ_AOE IÊ_AOE HKC K_XEHG HK OEGEF[ACE HK ]EPEDG]E
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