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Orbit, radius mass? Find the focus, directrix, and focal diameter of the parabola.
x2 = 5y
focus (x, y) = directrix = focal diameter =? What are all the factors affect earthing resistance? What is the effect in earth resistance if diameter of earth electrode being increased? Pool ball velocity if it lands 4.95 meters away from edge of the table? Could even the brightest neutron stars be seen from the same distance as proxima centauri,if not what would it look like through a telescope?