Time taken for an object to fall is generally given by $$t=\sqrt{\frac{2h}{g}}.$$ But this is only true under the assumption that gravitational acceleration is constant. With variable gravity what would be the formula for time taken for an object to fall a distance of $h$. [I've tried using elliptical orbits and calculus for this as well but could not seem to get it.]
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Qmechanic
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Possible duplicates: https://physics.stackexchange.com/q/14700/2451 and links therein. – Qmechanic Mar 13 '24 at 06:59