1、g1594g3128g3678g2360g1235g803 g1307 1 g3994 g271g1643 4 g3994g272 中原名校20182019学年第二次质量考评 高三物理答案 g1078g573g17983g6431g20174g948g7522g3933g20174g195910g4677g20174g952g8709g4677g201745g2108g952g195950g2108g954g3422g8709g4677g20174g13583g2096g11450g3345g1120g17983g20143g1123g952g126421g10346g20174g2592g7
2、487g1078g20143g12636g2622g20174g11556g16311g8824g952g126427g103410g20174g7487g3920g20143g12636g2622g20174g11556g16311g8824g954g3920g17983g20174g1950g18206g17983g4655g11450g55815g2108g952g17983g4655g1404g1091g1950g11450g55813g2108g954g7487g17983g19279g11450g55810g2108g954g949 1g714D 2g714B 3g714D 4g7
3、14B 5g714A 6g714C 7g714CD 8g714BD 9g714AC 10g714BD g1218g573g4564g20674g20174g948g7522g20174g19592g4677g20174g952g195914g2108g954g949 11g714g463g12676g7800g464 g7081g709 4.00N g7082g709 2.0 g7083g70920 12g714g463g12676g7800g464 g7081g7090.4g451 1.0 g7082g709g7116g19858g11444g1646g16386g712cossingag
4、g1087g573g16855g12749g20174g948g7522g20174g19594g4677g20174g952g195946g2108g954g1964g112313g103415g20174g1136g5627g13881g20174g95216g103417g20174g1136g17983g13881g20174g952g16311g7487g5627g16311g7101g4493g16938g7236g952g16409g20174g8603g20698g952g7487g7078g1650g16855g12749g11450g16311g8990g7236g2443
5、g1411） g948g1078g949g5627g13881g20174g94831g2108g949 13g714g463g12676g7800g464g1085g1354g11560g6862g712t=6sg7206g1108g17814g11560g17421g7472g17921g712g17421g12267g113010 m g463g16403g7616g464g11105g3374g17041g11797g712g11106g3416g21733sg1973g11444g2256g17999g5334a g111061g72910m/s2g712g34163-9sg1973
6、g11444g2256g17999g5334a g111062g7295m/s2g712g1161g3416g21733sg11444g2256g17999g5334a g11611=0g712g34163-9sg1973g11444g2256g17999g5334a g11612g7295m/s2 g7785g6558g3374g17041g2102g7616g11797g726g11106g21733sg1973g1674a g111061g72910m/s2g2352g2047g17999g11556g13551g17920g2264g7123sg2622g17999g5334g2047
7、g11300g2622g1981g1301ag111062g7295m/s2g1674g2352g2256g17999g11556g13551g17920g2264g712g1161g3416g21733sg1973g1674g2352g17999g11556g13551g17920g2264g7123sg2622g1301ag17999g17920g2264g714 g11106g17814g3416g2352g2047g17999g17911g12347g1117g11444g2125g17999g5334g113030m/sg712g2256g17999g5334g1130a g1110
8、61g72910m/s2g2591g117973sg2622g11106g11444g17999g5334g2122g4013g11300g712g7029g1405g12331 01 0+30= 3 452 2x t m m+ = =g11106 -2g2102 g1161g3416g21733sg1973g11444g1405g12331x g11611=vt=303m=90m g8596g7206g11106g1161g11560g17421g440x=x g111061+s0-x g11611=45+100-90m=55m -1g2102 g1278g8596g2155g5424g40
9、91g712g11106g1674g2125g17999g5334g11300g2256g17999g5334g1130a g111062g7295m/s2g11444g2352g2256g17999g17920g2264g712 g1161g1674g2125g17999g5334g1130v0g1161=30m/sg712g2256g17999g5334a g11612g7295m/s2g11444g2352g2047g17999g11556g13551g17920g2264g712 g8596g7206g1108g17814g11560g17421g440x=55m -1g2102 g3
10、344g1130g11106g1674g2352g2256g17999g17920g2264g712g1161g1674g2352g2047g17999g17920g2264g712g7785g6558g17920g2264g16372g5563g712g3416g11106g17999g5334g3790g2256g2144g2748g1161g11560g12665g7206g1108g17814g7514g14125g11560g6862g712g2121g1301g2622g4705g1085g1354g11560g6862g726 v g11106=a g111062t g311 v
11、 g1161=v g11610+a g11612t g312 g5507v g11106=v g1161g7206g712g2591g5575g17920g2264g7206g19492t=3s -1g2102 g3416g17929g1072g17911g12347g1117g712g11106g11444g1405g12331x g111062g72912 a g111062t2g72912 532mg72922.5m -1g2102 g11612g7295m/s2g1674g2352g2047v v1g1594g3128g3678g2360g1235g803 g1307 2 g3994
12、g271g1643 4 g3994g272 g1161g11444g1405g12331x g11612g729v0g1161t+12 a g11612t2g729303+12 g7085g70932m=67.5m -1g2102 g3344g1130g726x g111062+g440x=77.5mg730x g11612=67.5m -1g2102 g6256g1301g1108g17814g1085g1354g11560g6862g712g8596g7206g1108g17814g7472g17921g17421g12267g113077.5m-67.5m=10m 14g714g463g
13、12676g7800g464 g7081g70930 Ng3 g7082g7091 s g463g16403g7616g464 g7081g709g16878g4671g10803g6774g2144Og9961g7206g11444g17999g5334g1130vg712g4671g10803g11105Ag9961g2144Og9961g11444g17911g12347g712 g11105g7530g7904g14125g4536g5762g4554g5563g7481 mgLg72912mv2 -1g2102 g3416Og9961g11105g10379g20143g12636g
14、1212g4554g5563g5575Fg713mgg729mv2L -1g2102 g16403g5575Fg72930 N -2g2102 g7082g709g13558g13551g16091g6393g7133g2622g712g4671g10803g1674g5283g6347g17920g2264g712g7481xg729vt -1g2102 yg7291 2 -1g2102 x2g711y2g729R2 -1g2102 g13956g12539g5286g1299g1941g7072g6558g712g16403g5575tg7291 s. -1g2102 15g714g708
15、15g2102g709g16403g726 g7081g709Pg3416g2426g3382g17816g18051g11444g7472g20744g9961Eg712g16878g17816g18051g4649Pg11444g2491g2251g1130g712g11105g10379g20143g17920g2264g4554g5563g5575g726 R2037sin =+ -1g2102 g16403g5575g726 3=N N -1g2102 g11105g10379g20143g12636g1081g4554g5563g5575g712Pg17920g2264g2144E
16、g9961g7206g4649g17816g18051g11444g2491g2251FN =3N -1g2102 g7082g709Pg1278Dg9961g2144Eg9961g712g11105g2264g14125g4554g10806g5575g726 220022137sin)37cos(DE mvmvFRRRmg =+ -1g2102 2gtvmNFmg Eg1594g3128g3678g2360g1235g803 g1307 3 g3994 g271g1643 4 g3994g272 g16403g5575g726 34=Dv m/s -1g2102 Pg1278Cg9961g
17、2144Dg9961g712g11105g10379g20143g17920g2264g4554g5563g5575g726 100 37cos37sin mamgmgF = -1g2102 g16403g5575 01 =a g712g16932g7230Pg1278Cg9961g2144Dg9961g2352g17999g17920g2264g712 g7029 s/m34= CD vv -1g2102 g11105g14125g18431g17820g2374g2748g4536g5762g5575g726 21cos37 ( sin37 ) - 2g2102 g16403g5575g7
18、26 1pmE = J -1g2102 g7083g709Pg3416Gg9961g14177g12267g3382g17816g18051g712g1674g7458g13551g17920g2264g712g6330g16917g17920g2264g2102g16403g1130g5283g15996g1214g7116g19858g11444g2352g2047g17999g11556g13551g17920g2264g2748g3506g11556g1214g7116g19858g11444g2125g17999g5334g1130g19750g11444g2352g2256g179
19、99g11556g13551g17920g2264g712g7481g726 3sin37F mg ma = g16403g5575g726 3a 4= m/s2 -1g2102 4cos37mg ma= g16403g5575g726 4 8a = m/s2 -1g2102 Pg3506g11556g14957g3416g7116g19858g1082g712g17920g2264g7206g19492g9489g17379g726 2412 2R a t= -1g2102 g5283g15996g1214g7116g19858g7145g2625g1082g726 30 Gv a t= g
20、16403g5575g726 2 2Gv = m/s-1g2102 g5283g15996g1214g7116g19858g7145g2625g1082g726 0 12Gvx t m+= = -1g2102 Pg3416g7116g19858g1082g11444g14957g3424g17421Dg11444g17421g12267 1x m= g948g1218g949g17983g13881g20174g948g1959 15 g2108g954g16941g13881g11093g1284g13583g2096g11450 2 g18057g20174g1123g1329g17983
21、g1078g20174g1426g12682g954g4024g7634g3920g1680g952g2127g6463g6262g1680g11450g12642g1078g20174g16855g2108g954g949 16g714g463g12676g7800g464 g7081g709ACE g7085g2102g709 g7082g709g16403g726g2125g4091g7206g5481g12887g3892g1214g2511g19375g16932g7230g1108g1114g8877g13672g1973g11444g8772g1411g2491g5482g344
22、7g1130 pog2256g10013g2622g712g4649g8772g13672g266g11444g9067g3726g2567g10806g2102g7616g5575g726PoS2+kx=p2S2 -1g2102 g2256g10013g2622g8877g13672g266g11444g9067g3726g1086g8877g13672g5317g18200g11444g17421g12267 L2=Log713g440x g4649g8877g13672g266g1973g8772g1411g712 g11105g10731g5951g13923g4554g5563 po
23、S2Lo=p2S2L2 -2g2102 g4649g8877g13672g1973g8772g1411g712g11105g10806g5923g8772g1411g10470g5681g7145g12347 1 1 1 1o Oop S L p S LT T= -2g2102 g4649g8877g13672g11444g9067g3726g2567g2251g2102g7616g5575p1S1=poS1+ kx -1g2102 g11105g2064g1413g1955g13099L1=Lo+x+g440x -2g2102 g16403g5575g726g5481g12887g11444
24、g2274g5334g13099g7072k=1104N/mg712g440x=5cmg452 -2g2102 17g714g463g12676g7800g464 g7081g709ADE g7082g709g16403g7261g1913g17439g4018g3374g6256g12138g712g11105g2064g1413g1955g13099g2591g11797g726 g6344g4660g16386g8595g5462sinr=RR = -2g2102 2pm BC BC cE FL mg F L mv+ =133g1594g3128g3678g2360g1235g803 g1307 4 g3994 g271g1643 4 g3994g272 g1941g4660g16386g8595g5462sini=2 22 2 2( ) 233( ) ( )3 3RR RR R= + -2g2102 g11105g6344g4660g4554g5563g2591g11797g726n= sin 6sinir = -2g2102 2 MNt v= -1g2102 g11105g2064g1413g1955g13099g11797g726 3 tanRMN = r -1g2102 cvn= -1g2102 g16403g5575g726t=4 33 Rc -1g2102 R
