2018年全国统一高考物理试题及答案解析(新课标1卷)-精选.pdf

WORD20171123H1C12N14O16S32Cl35.5K39Ti48Fe56I127864814~1819~21630141.00kg50g600m/sA30kgm/sB5.7102kgm/sC6.0102kgm/sD6.3102kgm/s15ABCD16abcmambmcabcAabcmmmBbacmmmWORDCacbmmmDcbammm1722311120HHHen21H2.0136u32He3.0150u10n1.0087u1u=931MeV/c2A3.7MeVB3.3MeVC2.7MeVD0.93MeV18STMSTM19L1L2L3IL1L2L3AL1L2L3BL3L1L2CL1L2L31:1:3DL1L2L33:3:120rabcdEaEbEcEdaraaaraaabcdWabWbcWcdAEaEb=4:1BEcEd=2:1WORDCWab:Wbc=3:1DWbc:Wcd=1:321ONOMNOMMNOMMN2OMAMNBMNCOMDOM17422~3233~38129225ab630s461b____________2bbA___________m/s____________m/s222310L3.8V0.32AWORDV3V3kA0.5A0.5R01000R0~9.0E5VS10~3.8V2a___________________3E04V1.00bRSR____________W___________W224128.00104kg1.60105m7.50103m/s100m/s9.8m/s2212600m2.0%2520E1v0At1Bg1BWORD2t1v0v0BA33[33]15150100________122435130ABC100DE01000~400m/s210VABK2ABK1K3BBK2K3K1Ap03K127iK2iiK3iii2034[34]1515axyzS1(04)S2(02)bc1.00m/sA(82)________mB(41)__________C(00.5)__________WORD210ROR2ROCOC0.6RWORD201714.A15.C16.B17.B18.A19.BC20.AC21.AD22.120.190.03723.1230.391.1724.1212k012hEmvmv08kp4.010JEg212hhEmmghvh1.6105m122.410JhE2h'=600m212.0()2100hhEmvmghk0hWEEW600mW=9.7108J25.201mqE1t=0E1E2a121qEmgmat11011vvatt1a222qEmgmat2=2t12121vvat2012vvgt2t=01qEmgWORDt=0t121111112svtatt1t2=2t122112112svtat202(2)vghhBABA12ssh00221111[22()]4vvEEgtgt?21EE00211122()14vvgtgt?0130(1)2vtg?013(1)2vtg???20v20vBA21xxh??00221111[22()]4vvEEgtgt?21EE00211122()14vvgtgt?015(1)2vtg?33.151ABC2iK2p1V1011pVpV01(3)(2)pVpVV12VV102ppiiK3AV222VVp2022(3)pVpV2023VppVK3Bp22032ppiiip3T1=300KT2=320KWORD3212ppTTp3=1.6p034.15122OCCirsinsinirsinsin()2rirRROCisinLiRLOC6sin205r2.051.43n1(1);(2);(3);(4)2(1);(2)(3)