云南省2019年7月普通高中学业水平考试物理试卷及答案(1)

12019791400-15309020197[]704610330301.2019A.B.C.D.2.sxA.sxB.s=xC.sxD.sx3.A.C919B.C.D.4.A.aB.bC.cD.d25.30m/s1000NA.3100kWB.3kWC.1003kWD.30kW6.ABA.B.C.ABD.AB7.201962546GPSMmRrGA.rRMmGB.2)(rRMmGC.rMmGD.2rMmG8.5mv010m/sg10m/s2A.0.1sB.10mC.20mD.20m/s9.ABCD10.A.B.=100mm1103kg1218.ABRBmh3RAg1C2C530[]1-13-11-1361819.1752eee20.101831AB21.Xs3.84108m422.AB823.110cm1I12AF11.010-3N=maF=3102N.18.1221CmvmghgRvC62CRvmmgFCN2mgFN7mgFFNN7'.1-119.=T3100.52lBIF22NF3105.1.3-119.20.