This summer, my friend Rachel and I went on a weekend trip to a mountain house with my parents. While there, we went inner-tubing. The course we went down had a similar set up to that of a roller coaster where there are steeper parts and flatter parts. When Rachel and I were about to go down a steep part, we had a large potential energy. However, as we were released down the course, our potential energy decreased and our kinetic energy decreased. This process occurred at every slope. We always had the greatest potential energy right before reaching an incline, and always had the most kinetic energy towards the end of the incline. It was a lot of fun, but the down side was we had to climb up a steep hill every time we finished the course.
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