Near the tennis courts is a swing set that little kids are always playing on. The swing acts just like a pendulum. The highest point the kid swings is where they have zero kinetic energy due to zero velocity but maximum potential energy. So esentially, the heavier the kid, the faster they go because total energy is conserved and at maximum kinetic energy, all potential energy, mgh gets converted. Cool ya? let's go eat and get fat. you first
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