Suppose ana attractive nuclear force acts between two protons which may be written as `F = Ce^(-kr) //r^2,` (a) Write down the dimensional formulae and appporpriate SI units of C and k. (b) Suppose that `k = 1 fermi^(-1)` and that the repulsive electreic force between the protons is just blanced by the attractive nuclear force when the separation is 5 fermi. Find the value of c.

Explanation

To solve the problem step by step, we will break it down into parts (a) and (b) as specified in the question.

### Part (a): Dimensional Formulae and SI Units of C and k

1. **Understanding the Force Equation**: The attractive nuclear force between two protons is given by:
\[ F = \frac{C e^{-kr}}{r^2} \]
...