How can parabolas be used in real life?

1 Answer
Jul 21, 2014

The mirror in the lighthouse has parabolic shape to direct a source of light positioned at its focal point as a set of parallel rays.
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Calculations performed by artillery specialists are based on the parabolic shape of a trajectory of a projectile.
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Analytic behind both usages above are not complex and based on definition and properties of parabola as well as on the laws of physics.