Answer: The potential energy stored when the weighted end of the pendulum is paused at one point, it is converted to kinetic once in motion, so when going from one point to the other it becomes kinetic.
Explanation:
When reading the story a lot of things start building up to create this suspenseful moment, and the story Structure helps cause this suspense.
For question 1, I believe it is B.
For question 2, I think it is B too.
I might get this wrong tho.