【中考真题】2018年河南省中考物理试题(含答案)

201861141231422025kgAN30cmAcmg10N/kg53R1=10R2=20S1S3S20.2AS1S3S2AR2W64ABBABAAB82167~1213~142107A.B.C.D.89()A.B.C.D.10A.B.C.D.115A.B.C.D.122420226A.B.C.D.137F1F2A.F1F2B.F1F2C.F2F1D.148RR1R1A.B.C.D.2241591610ABCBCSABBCP3174186198181711123418121N2N34A.B.C.5C31913Rx51142AB3abbcac4RxI-U15Rx=5Rx16R0I1;S1S2I2Rx=291820117(2)(3)157min1=1.0103kg/m3,c=4.2103J/(kg)(4)211100m1824260m23min40s319h=30m1cm2g10N/kg48m31.2.3.4.104155.0.91.8S1S26.7.A8.B9.C10.B11.D12.C13.AB14.AD15.16.17.123418.13.821.4DA31.4N4A519.12A3445S1S20112RIII20.12AVWUPI1.922020003kgmmkgVm2100.2/100.13333JCkgCkgJttcmQ5301014.7)15100(2)/(102.4)(?7minJSWW=Pt=5104.86072000%8510481014755J.J.WQFGS?421.12smsmtsv/31420426031930mPap510330m1cm2NmPapSF30101103245NG=F30kgkgNNgGm=3/1030422248)28(3mmrS222881/348222mssmmSvtSlVsmsmtVV/2881288220