第22届全国部分地区大学生物理竞赛试卷

222005.12.411213141516171819100B17110A17181201719120.1222481.mRIK=O0vGO=ω20=t0x0vtetAAxβ−+=)(21β21AA0=t=0a13scmu/200=cm100=λPxPP=cm20=4cmξ/12vPscmπ==A,0=x=0φ3427CDsm/485,D27C56SPV121T27321rrrεεε=minE=maxE8a,I729RBA=ABRCA=ACR103.0mm550nm,=minθrad()2cmS=m.11.902mv121011.9×=1063.6kgme31−−34sm/106sJh⋅×=m45g40m/sm34135213hT41402TR2502TR27η5151R)(tuu=TRPURPPU2101)(tuUV3==εε,24),cos(20202Vt=+=εφωεεRU616.S12'SS'SS1S2S719B17A171817173R32RR21RRQeW818ARl2ABCCBµµ919gG)()(xQyxpdxdy=+:,)()()()(CCdxexQexydxrxPdxxP⎟⎠⎞⎜⎝⎛+∫∫=∫−10