posted by yanis .
If a protonand an electron are released when they 2.0X10^-10m apart, find the initial accelerationof each of them.
I know a=ke^2/mr^2
k = 8.99 x 10^9
e = 1.6 x 10^-19
r = 2.0x 10^-10
so what is the m ????
The mass of the electron is 1.6 x 10^-19 kg
The mass of the proton is 1.66 x 10-27 kg