Jawabanmu

2014-05-09T12:19:39+07:00
Vrms = akar 3p/Ro
Vrms = akar 3 . 1x10^5 / 9x10^20
Vrms = akar 3x10^5 / 9x10^20
Vrms = akar 3/9 x 10^-15
Vrms = akar 0,33 x 10^-15
Vrms = akar 3,3 x 10^-16
Vrms = 1,8 x 10^-8 m/s

itu 9x10^20 bukan?