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  1. Is there an intuitive reason the brachistochrone and the tautochrone ...

    The brachistochrone problem asks what shape a hill should be so a ball slides down in the least time. The tautochrone problem asks what shape yields an oscillation frequency that is independent of …

  2. Why Does a Cycloid Curve Minimize Travel Time? - Physics Forums

    Jun 11, 2010 · The discussion centers on the brachistochrone problem, which identifies the cycloid as the optimal ramp shape for minimizing travel time for a ball rolling down. Participants confirm that the …

  3. energy conservation - Brachistochrone problem with initial velocity ...

    Feb 19, 2025 · The Brachistochrone problem is usually presented with the having a ball dropped into the slide with initially zero velocity and at position $(x, y)=(0, 0)$. I would like to know the more general so...

  4. Brachistochrone. Why a curve at all? - Physics Forums

    Aug 1, 2013 · The solution to the brachistochrone problem is a cycloid curve rather than a straight line due to the need to optimize both path length and average speed under gravitational influence. A …

  5. Evaluating the integral in the brachistochrone problem numerically

    Jan 3, 2023 · The brachistochrone curve is one that not only goes down but also comes up. This seems like a problem for me, because when you look at the equation above, the right-hand side always gets …

  6. Why do I need the Beltrami identity to solve the brachistochrone …

    Jul 3, 2023 · It seems to be the same answer, just expressed very differently and very much more difficult to get the answer from the method avoiding Beltrami identity. Why should textbook authors …

  7. Brachistochrone Problem w/ Initial Velocity - Physics Forums

    Nov 3, 2020 · Hello, There is a physics problem called the Brachistochrone problem which I know has been solved for 0 initial velocity (assumes 0 friction and only...

  8. Minimizing the Functional for the Brachistochrone Problem

    Oct 13, 2025 · The discussion focuses on minimizing the functional for the Brachistochrone problem, specifically using the Euler-Lagrange equation. The functional to minimize is presented as an integral …

  9. classical mechanics - Relating Brachistochrone problem to Fermat's ...

    Jun 29, 2024 · When I came across the Brachistochrone problem, my teacher said we could relate it to Fermat's principle of least time. So, we could make many glass slabs of high $\\mathrm dx$, and …

  10. How to prove that the Brachistochrone problem could be reduced to ...

    Apr 28, 2024 · How to prove that the Brachistochrone problem could be reduced to finding a curve on a plane? Ask Question Asked 1 year, 7 months ago Modified 1 year, 7 months ago