Respostas

2014-03-26T11:55:50-03:00
Montando a equação de acordo com a Lei de Coulomb:
Fe = 9,0x10^9 x (5,0x10^-6 x (-4,0x10^-6) / (3,0x10^-1)^2
Fe = 9,0x10^9 x (-20x10^-12) / 9,0x10^-2 =>(apenas vou transformar em notação)(-2,0x10^-11) / 9,0x10^-2
Fe = 9,0x10^9 x (-2,0x10^-10)
Fe = -18x10^-1
Fe = -1,8x10^0