Work, energy transformations, and conservation principles
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The Roller Coaster Mystery
A roller coaster car starts at the top of a hill with zero speed. Where does its energy come from to reach incredible speeds at the bottom?
The answer reveals one of physics' most fundamental laws - and why your phone battery drains even when "nothing" is running.
The Challenge: Energy Transformation
A 500 kg roller coaster car sits at rest 40 meters high. At the bottom, it's traveling at 28 m/s. That's about 100 km/h - where did all that kinetic energy come from?
When the roller coaster goes from top to bottom, what happens to its energy?
Try it! Understanding energy conservation is essential for physics, engineering, and game development!
