Calculate the velocity of an alpha-particle which begins to reverse its direction at a distance of 2xx10^(-14) m from a scattering gold nucleus (Z=79)

Calculate the velocity of an alpha-particle which begins to reverse it

1.	Calculate the velocity of an alpha-particle which begins to reverse its direction at a distance of 2xx10^(-14) m from a scattering gold nucleus (Z=79)
Answer» ANSWER :`2.346xx10^(7)m//sec`