A very simply supported beam is 5 feet long and has a large weight sitting at the center. The sag of the beam at its center (the difference between the bottom most point of the beam and the top of the supports) is 10 inches. Assuming that the shape of the beam is parabolic, find an equation of the parabola. x² = 5y x = 90y x² = 90y x = 90y² ► ✰

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