In the Bohr model of the hydrogen atom, the electron revolves in acircular orbit around the nucleus. If the radius is 5.3 x 10^(-11)m and the electron circles 6.6 x 10^(15) times per second ,find
a) the speed of the electron
b) the centripetal acceleration of the electron around the atomicnucleus. Indicate the magnitude and direction of the centripetal acceleration.