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Phil Todd uploaded a new app: Regiomontanus Probl… 8 years, 8 months ago
We seek the place on the earth’s surface where a vertically suspended bar (or the rings of Saturn) look the biggest.A machine to solve this problem consists of a mass fixed to the earth’s surface and a couple of bars attached to the mass and constrained to pass through the ends of the bar. A spring between the bars pushes them apart.
The machine reaches equilibrium when the bars are as …