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Mruv-chushi

MOVIMIENTO RECTILÍNEO UNIFORMEMENTE VARIADO M.R.U.V. MOVIMIENTO ACELERADO (+) V Si es acelerado usar (+) FÓRMULA 1. 2. 3. 4. 5. V f = Vi ± at 1 d = V t ± at 2 i 2 V 2 = V 2 ± 2ad f i  V + Vf  .t d= i   2   1 d = V ± a(2n − 1) nº i 2 a MOVIMIENTO DESACELARADO V a PROBLEMAS DE APLICACIÓN Si es desacelerado usar (-) 1. Un camión atraviesa un cruce con una velocidad de 15 m/s y 4 segundos más tarde, su velocidad es de 7 m/s. ¿Cuál es su aceleración? a) 3 m/s2 b) -4 c) 5 d) -2 e) -1 2.

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  LBUKLKGC]B VG@]KHÌCGB WCKEBVLGLGC]G UNVKNMBL#V#W#U# _VBFHGLNP MG N_HK@N@KÐC ># Wc `nlkðc n}vnukgpn wc `vw`g `bc wcnughb`kmnm mg >7 l p { = pgjwcmbp lîp}nvmg( pw ughb`kmnm gp mg : l p# ²@wîh gp pwn`ghgvn`kðc2n+ 0 l p 6 f+ ,= `+ 7m+ ,6g+ ,>6#Wc `k`hkp}n gc}vn gc wcn gcmkgc}g `bcwcn ughb`kmnm mg >= l p { hhgjn nh ekcnhmg ghhn `bc 6 l p# Pk }bmb gh }vn{g`}b hbvg`bvvkð gc = pgjwcmbp# ²@wîh ewg pwn`ghgvn`kðc2n+ > l p 6 f+ 6 `+ 0m+ = g+ =(7 0# Wc nw}b `bc L#V#W#U# }kgcg wcnughb`kmnm kck`knh mg 7 l p( nh npnv bv wc`vw`g( glkgqn n n`ghgvnv `bc 6 l p 6 #@nh`whg gh gpn`kb vg`bvvkmb gc 5 pgjwcmbp#n+ 55 lf+ =7`+ 7?m+ :?g+ 0? =# Dnhhg hn ughb`kmnm ekcnh mg wc nw}b ~wgnpn bv wc wc}b mg >6 l p { n`ghgvn `bc= l p 6 mwvnc}g 0 pgjwcmbp#n+ 0? l pf+ 6=`+ >4m+ >7g+ >:7#@nh`whg gh }kglb gc gh ~wg pg mg}wubwc nw}blðukh( pk pw ughb`kmnm gvn mg 6? l p{ vg`bvvkð >?? lg}vbp dnp}n mg}gcgvpg#n+ 4 pf+ =`+ >?m+ :g+ 55#Wcn lb}b`k`hg}n pg lwgug `bc LVWU {hhgun wcn ughb`kmnm mg 6? l p# Pk glkgqn nevgcnv( dnp}n ~wg hbjvn mg}gcgvpg gc >?pgjwcmbp# @nh`whg gh gpn`kb ~wg vg`bvvkðmgpmg ~wg glgqð n evgcnv dnp}n ~wg pgmg}wub#n+ ;? lf+ :?`+ 4?m+ >??g+ >>? :# Wc nw}blðukh `bc wcn ughb`kmnm mg >?4il d gp evgcnmb n vnqðc mg 7 l p 6 # @nh`whnvmgpwëp mg ~wg }kglb pg mg}kgcg#n+ 7 pf+ =`+ 6m+ 4g+ 54#Mgh vbfhgln nc}gvkbv#²^wë gpn`kb vg`bvvkð gh nw}blðukhdnp}n ~wg pg mg}wub2n+ 6? lf+ ;?`+ =7m+ 6:?g+ >4?;#Mg hn ekjwvn1@nh`whg hn n`ghgvn`kðc1n+ 7 l p 6 f+ =`+ 4m+ >6g+ >>?#Mgh vbfhgln nc}gvkbv# ²^wë gpn`kbvg`bvvkð gh lðukh gc}vg hbp wc}bp ‘N“ {‘F“2n+ 7? lf+ 5?`+ =?m+ 0?g+ 6? >># Blnv `bcmw`kgcmb pw ‘]k`b“ ug nhvbegpbv Hwìp gc lgmkb mg hn kp}n( nhk`nhbp evgcbp { pw vgn``kðc nvn evgcnv }nvmn?(7 pgjwcmbp# Gh ]k`b nuncqnfn `bc wcn EÐVLWHN >#   n}kUUe  ¾<  6# 6n}6>}kUm ¾< 0# 6nm6kU6e U ¾< =# #}6e UkUm       )< 7# >+n$6c6>kUc±m ∖¾< Un LBUKLKGC]B N@GHGVNMB$)+ Pk gp n`ghgvnmb wpnv $)+ Un LBUKLKGC]BMGPN@GHNVNMB Pk gp mgpn`ghgvnmb wpnv $,+  ughb`kmnm mg :6 Il d { nh nhk`nv hbpevgcbp mgpn`ghgvn n vnqðc mg 7 l p 6 # ²N ~wëmkp}nc`kn mgh wc}b gc ~wg Blnv ukb n Hwkppg mg}gcmvî gh ‘]k`b“2n+ 7? lf+ 4?`+ :?m+ 5?g+ ;?>6#‘Hw`dk}b“ gc pw nw}blðukh ‘Egvvnvk“ukbhncmb hnp vgjhnp mg }vîcpk}b( pg lwgug n>?4 Il d gc wcn qbcn mbcmg hn ughb`kmnmlîtkln gp mg 4? Il d# Wc bhk`ìnlb}b`k`hkp}n nvvnc`n gc pw gvpg`w`kðc awp}b `wncmb gh nw}b npð gc evgc}g mg ëh#Pk hn n`ghgvn`kðc `bcp}nc}g mgh bhk`ìn gp 6l p6# ²Hwgjb mg ~wë }kglb hb nh`ncqnvî2n+ =? pf+ >7`+ 04m+ =7g+ 0? >0# Wc lðukh uknan gc hìcgn vg`}n `bc LVW {vg`bvvg :6 l mwvnc}g 0 p# N`ghgvn n`bc}kcwn`kðc n wcn vnqðc `bcp}nc}g mg6l p 6 mwvnc}g = p# ^wë mkp}nc`kn dnfvîvg`bvvkmb#n+ >4= lf+ >6:`+ >45m+ 077g+ >4?>=#Wc lðukh nv}g mgh vgbpb `bc LVWU {uknag mwvnc}g >? p `bc wcn n`ghgvn`kðc mgwc lg}vb bv pgjwcmb nh `wnmvnmb#Gc`wgc}vg1n+ pw ughb`kmnm ekcnhf+ hn mkp}nc`kn }b}nhn+ >?l p { 5?l f+>? { 7`+ >? { 7? m+ >?? { =?g+ >? { 5 >7# Wc nw}b ~wg ugcìn uknancmb `bc wcn`kgv}n ughb`kmnm( n`ghgvn wckebvlglgc}g nvnqðc mg 6(7 l p 6 ( ~wkc}whk`n pw ughb`kmnmgc wc hnpb mg = p# ^wë mkp}nc`kn vg`bvvkðgc gp}g kc}gvunhb#n+ =7 lf+ 77`+ =>m+ 7>g+ 0? >5# Wc nw}b nv}g mgh vgbpb { n`ghgvn nvnqðc mg 6 l p 6 # ^wë mkp}nc`kn vg`bvvgvîmwvnc}g gh }gv`gv pgjwcmb#n+ = lf+ 5`+ >m+ 7g+ 0 >:# Hn ughb`kmnm kck`knh mg wc nw}b ~wgbpgg evgcbp gt`ghgc}gp gp 7=il d( nhevgcnvhb pg mg}kgcg gc 6 p# dnhhnv pwmgpn`ghgvn`kðc gc l p 6 #n+ 0(: l p 6 f+ =#:`+ 7(7m+ :(7g+ 7(: >4# Wcn ghb}n pg lwgug bv wc `nvvkh mglbmb ~wg pw ughb`kmnm mg >? l p unnwlgc}ncmb wckebvlglgc}g mgfkmb n wcnn`ghgvn`kðc `bcp}nc}g mg = l p 6 # Nh `nfbmg ~wg }kglb hn ghb}n dnfvî `blhg}nmbwc vg`bvvkmb mg =4 l#n+ 0 pf+ >`+ 7m+ 6g+ ;>;#Wc lðukh `bc LVWU }vkhk`n pwughb`kmnm gc 6? p( mwvnc}g gh `wnh hbjvðmgphnqnvpg >5? l# @wîh ewg hn n`ghgvn`kðcmgh lðukh#n+ 0(: l p 6 f+ ?#= `+ 7(7m+ >(7g+ ?(: 6?# Wc lðukh }vkhk`n pw ughb`kmnm hwgjb mg5 p# n vnqðc mg 6l p 6 # Dnhhnv gh gpn`kbvg`bvvkmb gc gpg }kglb#n+ :7 lf+ 57`+ :>m+ 5>g+ :6 6># Wc lðukh vg`bvvg 6?? l gc 7 pgjwcmbp`bc wcn n`ghgvn`kðc mg 6 l p 6 # @bc ~wgughb`kmnm nv}kð mk`db `wgvb#n+ =7 lf+ 07`+ =>m+ 77g+ 0?66#Wc nukðc nv}g mgh vgbpb { vg`bvvg>>67 l gc >7p nvn mgpgjnv# @nh`whnv pwn`ghgvn`kðc#n+ 0: l p 6 f+ >?`+ 77m+ >7g+ : 60# Mbp lðukhgp nv}gc mg mbp wc}bp N { Fpgnvnmbp >??? l gc pgc}kmb `bc}vnvkb(wcb `bc LVWU $n < =? l p 6 + { gh b}vb `bcLVW $U < =? l p+# Mgpwëp mg ~wg }kglbpg gc`wgc}vnc( pnfkgcmb ~wg wcb mg ghhbpnv}g mgh vgbpb#n+ 0(5;pf+ >(;4`+ 7(5m+ 5(>=g+ ;(>=6=#Gh nw}b mg Hbwvmgp wgmg npnv mg ? n5? il d gc 7 pgjwcmbp9 gc `nlfkb( gh nw}bmg Mbvkp wgmg npnv mg ? n 4? il d gc >?pgjwcmbp# @wîh mg hbp nw}bp }kgcg ln{bvn`ghgvn`kðc#n+ Mbvkp f+ Kjwnhgp `+ Hbwvmgpm+ Lnvìn g+ Lgcbv 67# Wc nw}b pg mgphnqn n >6 l p `wncmbkcgpgvnmnlgc}g wc gn}ðc `vwqn hn kp}n#Gh `bcmw`}bv n``kbcn hbp evgcbp { gh nw}bmgpn`ghgvn n 6 l p 6 # ^wg mkp}nc`kn vg`bvvggh nw}b nc}gp mg mg}gcgvpg#n+ =7 lf+ 05 `+ =5m+ 07g+ 65 65# Wc gvvb bfpgvun wc jn}b n >?? l mgmkp}nc`kn# @wncmb gh jn}b pg mn `wgc}n mghn vgpgc`kn mgh gvvb( dw{g n }bmn `nvvgvn`bc wcn n`ghgvn`kðc mg > l p 6 # Gc gpgkcp}nc}g( gh gvvb n`ghgvn n 0 l p 6 # @wîc}b}kglb pg mglbvnvî gh gvvb gc nh`ncqnv nhjn}b#  n+ >7 pf+ >=`+ >>m+ >6g+ >?6:#Wc }vgc un n hn ughb`kmnm mg >4 l p(evgcn { pg mg}kgcg gc wc `wnv}b mg lkc#@nh`whnv hn n`ghgvn`kðc { hn mkp}nc`knvg`bvvkmn nh evgcnv# 64# Wc lðukh ~wg nv}g mgh vgbpb pgmgphnqn `bc n`ghgvn`kðc `bcp}nc}g mg7l p 6 # Nh `nfb mg `wnc}bp lkcw}bpnh`ncqnvî wcn ughb`kmnm mg >==il d#6;#Wc lðukh nv}g mg vgbpb `bc LVWU#@nh`whnv pw vnkmgq `wncmb vg`bvvg hbpvklgvbp 6?l gc 7p#n+ 4l p f+ >? `+5m+ = g+ >= 0?# Wc lðukh nv}g `bc wcn vnkmgq mg 6l p {wcn n`ghgvn`kðc mg =l p 6 # @nh`whnv gh}kglb cg`gpnvkb nvn ~wg pw vnkmgq pgnmg >=l p#n+ >p f+ 6 `+ 0m+ = g+ 70>#@nh`whnv( ~wë mkp}nc`kn vg`bvvg wclðukh ~wg nv}g `bc wcn vnkmgq mg 7l p(pk hbjvn }vkhk`nv pw ughb`kmnm gc 5p#n+ 6?l f+ =? `+ 4?m+ 5? g+ 0?06#@bc n`ghgvn`kðc `bcp}nc}g wc lðukhmwhk`n pw ughb`kmnm gc >?p# gc `wîc}b}kglb ubhugvî n mwhk`nv pw ughb`kmnm#n+ >?p f+ >= `+ >5m+ 6? g+ 6600#Wc lðukh `bc LVWU vg`bvvg 5?l gc=p( pk gc mk`db }vnlb( hn ughb`kmnm pg}vkhk`ð# @nh`whnv pw vnkmgq nh }gvlkcnv hbp5?l#n+ =7l p f+ >7 `+ :(7m+ 7 g+ 66(70=#Wc nw}blðukh ~wg pg mgphnqn `bcwcn vnkmgq mg 5?il d( nhk`n hbp evgcbpmg lncgvn ~wg mgpn`ghgvn wckebvlglgc}gmwvnc}g >6p# ~wg mkp}nc`kn vg`bvvg gc gp}g}kglb#n+ >5?l f+ >?? `+ >==m+ 5? g+ >6? 07# Mbp lðukhgp N { F nv}gcpklwh}îcgnlgc}g mgh vgbpb( mgh lkplbhwjnv { gc hn lkpln mkvg``kðc `bcn`ghgvn`kðc `bcp}nc}g mg 0l p 6 { 7l p 6 vgpg`}kunlgc}g# Hwgjb mg ~wg }kglbgp}nvîc pgnvnmbp >??l#n+ =p f+ 4 `+ >?m+ 6? g+ 0605#Wc lðukh nv}g mgh vgbpb( `bc wcnn`ghgvn`kðc `bcp}nc}g( vg`bvvg 0?l gc gh}gv`gv pgjwcmb mg pw lbuklkgc}b#@nh`whnv pw n`ghgvn`kðc#n+ =l p 6 f+ 5 `+ >6m+ >7 g+ >4