Does kinetic energy equal potential energy?
Not always! Kinetic energy equals potential energy only when all the potential energy in a system converts completely into kinetic energy (or vice versa).
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In some cases, like in a perfectly elastic collision, kinetic energy and potential energy might be balanced momentarily. But generally, they're different forms of energy.
In a perfect pendulum swing at its lowest point, kinetic energy = potential energy from the highest point. Physics magic!
In my experience, on a roller coaster, the potential energy at the top converts to kinetic energy at the bottom. Thrill ride!
Nope, they are equal only in specific moments during energy transformation. Generally, they balance out due to conservation of energy.
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