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

Let's solve the question step by step.

### Part (a): Finding the 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}
...