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20141.1(),ABCD2.(),ABCD3.6015,A.90B.30C.45D.15,4.2(),ABCD5.4________(________(_____________h40cm________cm.,.6,5,________cm.7.6kg/m3,,1/3,(),A6kg/m3,B12kg/m3,C.4kg/m3,D8.,()ABCD9.7________________5s________,172452/510.()A.1B.2C.3D.411.ABCD12.8AFF2AA,A12BC2D13.9M14.50N10Nf122Nf2(),Af10Nf222NBf10Nf250N,Cf150Nf222NDf110Nf222N,15.3m/s5m/sFF(),A35B25C53D1116.10PP,APPBP=PCPPD,17.11P1P1,2P2P2,AP1P2P1P2BP1P2P1P2,8910113/5CP1P2P1P2DP1P2P1P218.FFppSS,AFFppBFFpp,CF=Fp=pDF=Fpp19.12FF(),A.B.CFFD.FF20.Fst1t2(t1t2)W1P1W2P2(),AW1W2P1P2BW1W2P1P2CW1W2P1P2DW1W2P1P221.()ABCD22.14G12N20cm.F5N________J________18N______________(),23.(ABCD24.15()AS1BS2CS1S2DS1S2S325.()16,151416FF4/526.SR2AV(),AAVBAVCAVDAV27.19S0()AL1BL2CL1DL1L2,28.,10,1A,15,0.6A,,_______V.,29.L1L220L1L2(),AL1BL2CL1DL130.21S15.SR1R2()A411:4B144:1C155:1D511:5,31.()32137-26P(),1A12B13C23D123,(2)S,191720215/5AR0BR1CDP(3)PRl100g1kgPRll3(7-26)1?(R0=5R1=15U=3.0V03.0V),4,7-26
本文标题:中考初中物理经典易错题集-精选.pdf
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