高中物理知识点总结

12123123txvvv46V220V50Hz0.02s412tvav3av0av0112aav021atvv02021attvx2axvv2202202tvvvvx=xn+1-xn=aT2312g3g1234512112G=mg212F=kx312AFf=NFNB0FfFm11223121122),11232123412121234aFam1312g0vSAxyCOvxvyBv041123212312202xvgy21gg20vvxgtvy22022)(gtvvvyx0tanvgt3vAFtvx0221gty22yxs2220422204141tgvttgtv002221tanvgttvgt2tan3.12311vtlvm/strad/snr/sr/minTs)(nam/s22rvTrv2T21nT22224Trrrvan224nr21222nnvFmammrr12312MmGmar2rGMa222MmvGmrrGMvr322MmGmrr3GMr4rTmrMmG222GMrT32rR1212()MmGmgRh2()GMgRhRh21rTmrGMm22)2(2324GTrM2mgRMmG22gRMG2312RMmG=Rvm211GMvR2mg=Rvm211vgR41mgRMmG2334RVMRGg432RTmRMmG22)2(334RVM23GT121cosFlWJ23cosFlW0909018090431cosPFvFvW2FvP=FvFv1.221mvEK2EPmghh3212PEklkl1122122122121mvmvWEEWKK2122222111122mvmghmvmghEK2+EP2=EK1+EP13312112ee342123451261221rQQkF2Q1Q2121FqqFE2qF3qEF3112QttQI3231RtIQ22RItQP2RURIUIP221212NSSN3B12FILFILILFILFBBFIL3BB1F1BIF=BILLIBIFBILBIF=02FBILBIL32F1vBFvBF=0v231(1)(2)2(1)(2)112WbS1S2S1S2S11S222S1S2B,,12tnEnWbt1212UmImT1sfHzTf1f=50Hz312UeIeUe=2mU=0.707UmIe=2mI=0.707Im121U1U22n1n2n2n1U2U1n2n1U2U1RIP212P=UI1122112212c3cffc3X4123512612