您好,欢迎访问三七文档
TT=2mkmkT=224=-20+30=323253N=20+30-40=-15N1212F=FF==103xy22225315++tan=FF=-1553=3yxB503ND1003N24003N2003N24F=2Rh-h2RhG-s=vt+12at02V-V=2ass=12v+vtt2020tBv=12v+v0ttttt=1123n21321----nnv=st=12v+0=2m/s76s=vt+12at=287-12449=98m02s=12v+vt0ts=121vv=4m/s766s=12728=98mV=2gh=2100.45m/s0=3t=2hg=20.4510=0.3s1t===1.45s2221004510Hhg++.s=vt+12at-10=3t-1210t5t-3t-10=00222s=12at=0.5t22smax=121010=50mH=vt-12gt+12gt=vt=404=160m01121201H=12g2t=10216=320m12102hga+111vvvtt2012=+2=v02vvst222+F=maFFxy==⎧⎨⎩mamaxyFkvmaFkv-==⎧⎨⎩12a=1m2kv-kv=kvm1PvkvmaPvkv-==⎧⎨⎪⎪⎩⎪⎪222a=2kvma=3a221x=12at1112-2=12a2a=-1m/s1212aFmmsaFmmsxy22122212====-⎧⎨⎪⎪⎩⎪⎪//x=-2+vt+12at21x2x222x=-4my=12t=-4m2222ay2v=v+at=0v=at=-4m/s2x1xx22yy2224F=F=F=25NF312123+F22tan=FF=arctan1212F=maF=maxxyy⎧⎨⎪⎩⎪sinsinir=n=dsini1-cosin-sini22⎛⎝⎜⎞⎠⎟8v=62m/sx452163F=Gm1mr22xvtygtsxyayxgtv===+==⎧⎨⎪⎪⎩⎪⎪02220122;;arctanarctanvvvgtvvvvvgtvxytxyyx===+==⎧⎨⎪⎩⎪0220;;arctanarctana=an=ra=vn2nvr2ωωa=ra=4nrnn22422TF=Gm1mr22F=Gmr12m22L32g=9.8m/smg=GMmRg=GMRy=12gtx=xx=2x2222123L222=2x+yy=13L3=1222GMRtMLRGt=23322AT+f=MrT-f=Mr1222=mg+fMr=6.5rda/s=mg-fMr=2.9rad/s6.5rad/s2.9rad/s1212mv+mg2R=12mv1222202AN-mg=m2111vR02BN+mg=mv32222Rm-m+m+5mg=01212vR02AABAEABAE=l2Ex2212+v2rg122122mv=mg+r3mv=mg-r422llF-mg=mv52r135rl-xx21626232+lll24rl-xxl2ll3213762+xlxl23761Bqv=mvRR=mvqBT=2mqBOOP=60=6OP=RO100211011111Pt=T6=m3qB111P00mvqB01PORmvqBmvqBRTmqBmqB220201122133223=====POPPPROPRRmvqB22120160623====-=PPt=5T6=5m9qB221XQOQ=3OP=2mvqB01OQt=3t+t=8m3qB121OQX=OQt=3v40v72Rvt8mg9100Rvg0204302432310r=kl3k-2mr=2kl3k-2mA2B2233333200vgvgkm11T=mg3-2cos1+sin——W=E=E-E=mv/2-mv/2kk2k12212=mv/2-mv/2221212MgH+h/h13mgl-1/214256.25151v+v/4g2tanv-v/v+v161610N2120kW173M-mL/4M02202202235F=ma=mv-vtFt=mv-mv2121t=svNGN-Gt=0--mvN=mvt+GtN0mv-mv=M+mvv=M-mvM+mM-mvM+m0000v-v=-2aS=-2fmS1202mmmv-v=-2fMS2202M12SS=mMmM()()SS=vtvt=v+-M-mmMmM0vMmvMmvMmmM00022+⎡⎣⎢⎤⎦⎥+-+=v=0.5m/sv=5.5m/sAC⎧⎨⎩30+152=30v+15v30+152-302=75v⎧⎨⎪⎩⎪v=0.4m/sv=5.2m/s⎧⎨⎪⎩⎪W=12mv-12mv=1.7310J02221k=Mm=92k=Mm4Ct=2vg01v=2hg=2m/s42+10t9m2-10tt0.16s0t=2vg=0.4sL=vt+12gt=20.4+50.4=1.6m02022M+mg=12M+mv102L=vt+12gt+vt-12gt=2vt5102020L=vt+12gt6t=2vg72020t=v2=0.2sL=v2g+vt+12gt=0.2+0.4+0.2=0.8m00202v=mv+mvm+m112212E=12mv+12mv-12mv+mvm+mmp1122221122212mv+mv=mv+mv12mv+12mv=12mv12mv11221122112222122122⎧⎨⎪⎩⎪v=2mv+m-mvm+mv=2mv+m-mvm+m1221211221121212mv+mv=mv+mv12mv+12mv=12mv+12mv11221122112222121222v=mv+mvm+m112212mv=m+mvv=mvm+m=4m/s11121112mv=mv+mvv+v=v111122112⎧⎨⎩v=-2m/sv=8m/s12⎧⎨⎩3mv=12mvmvmv=mmmmvmv2212mA2B22C3D8A11BMMCMMDMM12212212AM/MBM/MCM/MDM/M211212222212Amv/2Bmv-12mvCmv-12mvDMm2M+mv020222022202121211mv=1.010m/s4mv=610m/s171161C2A3B4D5C6A7D8A9CD10D11410m/s12150m133J1419.44N15F612AM2gh-mvBM2ghCmghDM2gh+v-Mv0020Av=v=v=v/3Bv=0v=v=v/2Cv=0v=v=v0/2Dv=v=0v=v123012301231230A2gRBCgRD355431510gRgRppp=pxyx2+py21B2D3C4D5B6AB7BCD842m/s459m2ghm2ghm2gh+v02()()1011t-t=v/g12s=0.002m210tmvvFmgmgt=----031sincos131v=mvcosM2v=mvcos143030N1512Mm+2AM=0.02kgA14M=mL-SS=mLM+mSMMM11v=muM+mv=MmuM+m22s=0.132m3v=Mv-muM+mv=MvM-2mvv=Mv+muM+m41.5m510.8m261v=500m/s2MMm+()()2v=10m/sv=50m/s782v=0v=M-mM+m2s/S=m/MABmMmMmvmmmvmmmmmv2021202112021211++-++⎛⎝⎜⎜⎞⎠⎟⎟v=Tv=fv=TTs=tT12ttTsT==410=0.4stT=1.50.4=334t3343MvyTy=-10cm341=3343Tt=0MtT3434yxTxt=1.5s3434=vf=205m=4mPQxs=5ms==45114s=114v=1v=st2Tt-t=m+34Tm=012211()T=4t-t4m+3121m=012L()()()v=T=104m+3m/s=11=+-+4344401104321mttmms./t-t=n+14T212()T=4t-t4n+1n=012221()()v=T=104n+1m/s22=+-41421ntt1BD2CD3D4AD[=484n+3m,n=012T=44k+1sk=012v=T=12m/sk=012n=012]5,,4143kn++1-7-166-0.050.757908v=4n+3n=012v=4n+3n012[=43a=45aT=4t4n+3n=012v=T121211dtdt35,,,,,v=T]22FNs1cms2cms3cms4cm0.054.514.765.005.260.104.635.125.606.110.154.855.606.367.100.205.126.117.108.090.255.386.647.907.16x=vty=gt/2v=xg/2y020T=2lg/0T/4T/23T/4TClTT=2glR/8v=xg/(y-y)=xg/(y-y)01212211FFv0018090vF=kxxF=F+Fa=a+a2x2y22x2y2a=mgsinm=gsin-gcos-mgcosE=12mv=pp=mv=2mEk22k2mFL-kM-mgs=0-12M-m1v02-kmgs=0-12M-m2v02s=s-s=MLM-m12s=MLM-mmgs=12mv-02ODOAT=Gcos60=32Gvstv1102==+Fv=2vA221vstvvvv212212=-=+-=-()vvv=+122yxgtvvg=231200tan30t=22mv=6J02v=(gt)+vgt2v=tan30gt=233v220200v=7312mv=12mv=6=14J2202v027373——a=Fm+m12T=ma=mm+mF2212a=Fm+m-g12TF=+mmm212a=F-mg2mm12+T=m(F-mgm+m+)=mF+mg221221gmm12+t=2sa=1.0sv=2as=2.0m/s111111a=2st=4m/sv=at=4m/s20122221t=2hg=0.5s2s=vt+at/2=2.625m2223221vv005gLT-mg=mvLT+mg=mvLT=mv-mg01022222LvgL12122022mvmvmgL=+v05gLaFfmPvfmPvfmfmmsm1002322025=-=-=-==./xE=Ep0pv=6gx00Evp+12122m=2mgx0Emvmgxmvp+=+12331232202()()l=v2g2vA.14VB.13VC.12VD.VA.L2tB.3L2tC.5L2tD.7L2tAF=mm+mFBF=mm+mF+mgsin+cosABBABABBABB23F14601520016v=gl2sincos17v=2(m+M)g(L-l)18L0.64m0M——————2pptppTpTt-==⎧⎨⎪⎪⎩⎪⎪001122273——VTVT1122=ppTTppTTT10101000==+1TTVVTTTHH21211010=+=2TTTHHTHHHT00210121+==-45THHT1210=6THHT1210=6HTTHT0011+=1HTHT0022=2T=T=HHH(H-H)T=540K2112021pVTpVTpVTnnn111222===pTpTpVTnnnn111222===pVTV=pTpTV=189.3mVV111212211321=pVT222m=VVm=145.6kg2121pVTPVTTTpVpVKBOBOBOBBBBBOBBBOBO===500pTpT1122=1L=VS-S-1=10cm0ABpp20pVTpVTSxS1112227516302737550300=+=-()()pVTpVTLSS11122291302736030300=-=()mmLL=1ppTppT111222=——l=V=V/Nl=22.4003MA30310610323-/pS-pS=ma=m02ωωLppmLS2202=+V
本文标题:高中物理总复习教案
链接地址:https://www.777doc.com/doc-5644538 .html