Chemistry - Atomic Structure Question with Solution | TestHub

With what velocity should an a-particle travel towards the nucleus of copper atoms so as to arrive at a distance $10^{-12}\mathrm{m}$ from the nucleus of the copper atom? $\left(4.8\times \sqrt{29\times 60}=200,{\mathrm{N}}_{\mathrm{A}}=6\times 10^{23},\mathrm{e}=1.6\times 10^{-19}\mathrm{C}\right)$.

Express velocity as $\left(A\times 10^6\right)\mathrm{m}/\mathrm{s}$, then value of $A$ is