珠海市2021-2022学年高三下学期联考物理含解析

ÆÇÈÉwÊ+\rk(mg+2mg)=3ma2\r+\ra2=3m/s2\r–uÐѳ\r^=202X2\rÁšDGpYÚۖu `ÜJ\r17\rs=xi+*2=m\r3\r14,(i)27cm3,(ii)141K\r 0\r(i)ݗ"pÞßภ%áx\rPi=Po+1OcmHg=85cmHg\râ·ãËäåGpÛæKà¸%á2,6çà¸èléê?ëp()ìíîwÊ:\rpfyS2=p2x^h.S2\r*+xPi=102cmHg\rðÛæKñd ò><x\rA/z-(102-75)cm=27cmEvaluationWarning:ThedocumentwascreatedwithSpire.PDFfor.NET.\r89:;`<=\r(2022023\rV=17H-----cmx1cm+#cmx2cm=27cm4\rI6J6\r(ii)>?@ABCDEFGH?IJAB:;KL?@AAMNO?PQCDRpS?AT,TUJAKLPR\r10cm,@ABKL\nV5cm,W@ABC<XY\r=P+25cmHg=lOOcmHg\rZ[\]C<^_`\rPi"iS?_\rT,-7]+AT\rabT=141Kc\r15d(i)1.2xlOsPa,1.6m0(ii)336J\rp?\refgUhi?C<`XY\rme5.\rp=po+-----=1.2xlOPa\rS\rC<j Xkl?Z[mnopqrs\rhyS_111s\rtu\rv\r1.0_h,\r273+27-273+207\ra\r/i2=1.6m\r(ii)wC<xy`zB?C<{|j}\rW=pS(~-G)=[1.2xl05x(1.6-1.0)X5.0X10-4]J=36J\rZ[H€‚nrsC<?ƒ`kl\rU=-W+Q\ra\rQ=AU+W=336J