Question

⇒ The equation of motion for the distance travelled during the nth second is given by $\sf{S_n^{\;th}=u+\dfrac{a}{2}(2n-1)}$
⠀⠀⠀
⇒ Please explain the point given in the attachment, I'm not able to get it.
⠀⠀⠀
⇒ Frame any question on that formula so that it would be easier to understand.​

Answer 1

Here's your answer!

• First one is the derivation of the formula.

• And second one is the question based on it as an example.