大学物理活页作业答案及解析((全套))

1.质点运动学单元练习〔一答案BDDB在x在xtr2ti(2t2)j(SI)1drvdv2i2tj()a2j()21ω2,t/4dvdyvdvdytadtdydthkyvdv/dys11已知=y,=v则Cv2020oo222.质点运动学单元练习〔二答案DAB1/Cdsdvdtv2vtms1；a4ms2；at2m2；．．dtRtn2.0rad/s4.0/sa/s；；；2ot1v2j(SI)；ai(SI)dtdt2v22t13/2(SI)32anvvsin45gtyouv34.6m/suhvllvu；h3.牛顿定律单元练习答案CCA1T0.98m/s2M．T367.5a；2k2k2vvkx；2v．22xxxx2/1FFsinTNFθNgmRmg2Roofv2fm,avsinmt,tava,d,tvv22agcos),v2fm．a4.动量守恒和能量守恒定律单元练习〔一答案；；；；FtFt．v；vv12mm1m211221v10ta；xxx3/Fma20N；xxx40m3132INs1mm'v1v2mh2mMv'有mttdt得0o5.动量守恒和能量守恒定律单元练习〔二答案oCDDCf1()0fxx21212kx21.2mg(xx)12v2FmRN1224/RhRNR3mm1122121Evmv2②2p212122p12121211②22mM6.刚体转动单元练习〔一答案BCCC22n5/J．ln2kJ2EEFh490Jkkαα3g2l121222l11有222v；2J2T6/TJ2O和z,,mmJ(ab)227.刚体转动单元练习〔二答案zCADB1．3；3Joo412；J2．3oooM,gmgRmR2,RRt00g11L2,22①231,2②37/L,③2Mv3,得④2m2得xL.v38.机械振动单元练习〔一答案．B．B．C．A．．A0.1m2π/Tπ,At)txπ/2x0.1cos(tπ/；123,π/3x0.1cos(tπ/3)m,；,πxtπ。．Fx,x'FgSxmggaxF'FPF2xkga28/dxx22mga2m令2a木11122224p11111kxkA(kA)E222284249.机械振动单元练习〔二答案p．BBC．,2,,2。sA0.10m,2π/3,3π,T2π/2/3s2,2-1-2maxmaxk．12v00x0π/209/．π/3,2π/3π/3BCB1A0.05m20π/uπ,s/210Hzπ1vπ3.14m/smax21A0.1m,4mu100ms1则。A0.1m100mu2。T/于y2u2BACBC．12rr10π2π6π214S2rr1024Sr11rr2121u2(2kπ即2/．xxyAcos[2(tπ=A)]cos2πt)212.静电场单元练习〔一答案．．．．BDBC．．．．y求O））13.静电场单元练习〔二答案．．．．CDBC．．＞AB1R/QQVV4R4roo112QQ2UE2e114r42rRR1211oo21MpE210Nm32qQhW14hR1/2220WqQ/4R201122WW22221111/2qQ12ghvv22m21RR14.导体电介质和电容单元练习〔一答案h220．．．BCD．C＜E1.0610C/m．．92o,2QV6.0V3Q2.01.33C88；234R22o2xP/odRCdUlnABR1C有Q3SQQQ;Q;Q3S3312AB15.导体电介质和电容单元练习〔二答案．．．．CBCB．．rr411UoP2rod,rrDD=2x/DEEo0D00r0rU=Edx1o12U=<d+d>x16.恒定磁221U(V)D(10C/m)E(V/m)2场单元练8.85100502112x(cm)ODx曲线O12x(cm)Ex曲线12x(cm)U曲线EDCD0I；oBdsBdscos0BSWb)01m0bacobacSobacSobac9000〔2BdsBmobedSobedSobed441〔3BdsB)BSWb)551i>B002a4a0200ˆe0ˆmiSe〔22nn．1/Rln20RBdSBcos02〔2002r2Rm1SS1为17.恒定磁场单元练习〔二答案C/2RIB,9002R5.69(m)71T2m2.80(S)91zUU6.55mV0UAA'AA'baByncAIUAA'xIBn2.8610203qaUAA'/IH(l内）lR12,dr002r2R2qdrqRBdB002R22RS03Sr2R2R2qrdr1R32mdmqR4R2S018.电磁感应单元练习〔一答案CBBDnaIcost．2omR28/aRaRE=vBdloo22raRaRL1；BSQR211E=vBdlR22L0dSBEdl,ztkLSB2rBrtra,22ztkoB2aBatra,22ztko19.电磁感应单元练习〔二答案CCDC=Eoeot/1,,/IIB001drI2.202mM0a3BodL20.几何光学单元练习答案SBDC.虚,1则,n．s0.05m,r0.20m,/pa．即1则p'1.5a1p1.5a2a对于第二个透镜,处,,2即'7a/51.4aa得p2f'10.M,又ff'110cm0f'0ee为21.波动光学单元练习〔一答案．．．．．．．DBAC,π0rr1则12(n1)tk72O点n7/t11.582ne/2k．2ne则k1/2k2,709.3nmk3,425.6nm12/rrk．(k15)Rkk5则,kk22.波动光学单元练习〔二答案．．．CBA暗f/b1.25mmlftanfsin/(')fkbbxxfbb')12.5mm1.22/D．d0h1.2m0(bb')sink．1111bb'3.3610m6(bb')sink2222kk则k,1111222k2x2f/b2.95mm．10/223.波动光学单元练习〔三答案．．．．CCBＤ图．．I/80tanin/nntan60310212irπ/2rπ/2i300000．II,II入自线出II/2I自I/2自II/2Icos2则线出自线II/I4出max出minI自/I2/5I/I3/5,入线入3IIcos30I241003II60I2o21II/2,101II60I。28o21/24．气体动理论单元练习；；；；1n2P4.83/m2532.57/m33KT6.2110J3211/34d2.7510m9n3KT8.2810J125KT1.3810J22km58307J3EM2552EVvRTPV1.35105Pa1由得P2232KT37.510J2由kt得5NKT5253由ENKT或=KT)362K得22/．；；11(PP)(VV)(PVPV)pVpVpV2212212211pV=TACABCpVB5pV3BCC1pVV3.48m3CpBCCBQ5pVpV14.8J2BBAAV1Q3oVooo132ooo/p0000pV5pV由TT00示对等体过程3Too由QCV,mVTC,C26.热力学基础单元练习〔二答案JJ0///11B1B/E300JQW600J2,B2A1BB2AB2AB2AQ132Q1pV由pVVVV1得C4211221V1QJ2311V1TW1得W1.3410J2由2TQ卡113QQW4.0110J321pa,V,T000pV2p得VVC则TT由pbp0a00VC0C20a由pVCRTTT得CCC01QC(TT)12RTVVmba02：QC(TT)45RTppmcb0pV02CTT)V47.7RTV3QaV0Vmac2Vc0Q116.3%〔2QQVp27.狭义相对论单元练习答案；；；/：慢vx(tt)1.0107s、则C2vv()()2.510sttxx14CC22x(xvtx)125km2tttC1(1得v)22.2410ms281txvt6.728mWmCmC222128.量子物理单元练习〔一答案；；；；hchh,,、chc1mvh2202hc12(h)5.7410ms51得vm0/、000111则00000001)n3.69n3fi1n2iii313221,,102.6nm657.9nm121.6nm32,,(1cos)0.1024nm100c2E4.71Jo29.量子力学单元练习〔二答案；；；；-23-242n2h2h,v2R2Mpmv2eRB得1由hhm则2p2/hhmm6.6410nm2mv2eRB