The height of the pyramid of Cheops - Physics Forums
Dec 9, 2020 · The discussion centers on the height-to-base ratio of the Pyramid of Cheops, specifically comparing the values derived from two mathematical approaches: the ratio of height to base length …
Great Pyramid of Cheops (Center of Mass Problem) - Physics Forums
Oct 15, 2005 · The discussion revolves around calculating the center of mass and the work required to lift the blocks of the Great Pyramid of Cheops, focusing on its geometric and physical properties. The …
What Exactly is Dirac's Delta Function? - Physics Forums
Aug 29, 2025 · In Dirac's Principles of Quantum Mechanics published in 1930 he introduced a "convenient notation" he referred to as a "delta function" which he treated as a continuum analog to …
Demystifying the Often Misunderstood Bernoulli’s Equation
Dec 3, 2018 · The goal of this post is to present Bernoulli's equation, its derivation based on energy conservation, and interpretations based on both momentum and energy conservation, and its …
How to build a CNC plotter? - Physics Forums
Jan 25, 2026 · The discussion revolves around building a CNC plotter as an Arduino project, focusing on beginner tips, necessary components, and design considerations. Participants explore various …
What is the Exact Solution to 0.739085? - Physics Forums
Apr 1, 2005 · The discussion revolves around the exact expression of the solution to the equation cos (x) = x, which is approximately 0.739085. Participants explore whether this solution can be represented …
Introduction to the World of Algebras - Physics Forums
Jul 8, 2023 · This article is meant to provide a guide and a presentation of the main parts of this zoo of algebras. And we will meet many famous mathematicians and physicists on the way.
How do I find Sxx, Syy, and Sxy on my TI84 graphing calculator?
Nov 28, 2013 · The discussion revolves around how to find the statistical values Sxx, Syy, and Sxy using a TI84 graphing calculator. Participants are seeking assistance with this specific calculation related …
Will anyone alive today see a permanent colony on the Moon or Mars ...
Dec 2, 2022 · That was in reference to the difference between bases and colonies - not so clear with a quote of previous quote. I think the Earth economy could manage to build and supply a Mars or …
Choose JFET for Audio Amp Design: J112 vs J113 - Physics Forums
Jun 9, 2019 · The discussion revolves around selecting between JFET models J112 and J113 for audio amplifier design. Participants explore the implications of different specifications, such as Idss and …