With what velocity should an `alpha`- particle travel toward the nucleus of a copper atom at a distance of `10^(-13)m` from the nucleus of the copper atom ?

Explanation

To find the velocity with which an alpha particle should travel toward the nucleus of a copper atom at a distance of \(10^{-13} \, m\), we can use the principle of conservation of energy. The kinetic energy of the alpha particle will equal the potential energy due to the electrostatic force between the alpha particle and the copper nucleus.

### Step 1: Write the equations for kinetic and potential energy
The kinetic energy (KE) of the alpha particle can be expressed as:
\[ KE = \frac{1}{2} m u^2 \]
where \(m\) is the mass of the alpha particle and \(u\) is its velocity.
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