In the Bohr theory of the hydrogen atom, an electron moves in a circular orbit about a proton, assume the radius of the orbit is

5.29 10

^{-11}m.
(a) Find the magnitude of the electric force exerted on each particle.

N

(b) If this force causes the centripetal acceleration of the electron, what is the speed of the electron?

m/s

(b) If this force causes the centripetal acceleration of the electron, what is the speed of the electron?