Nov 25, 2007 · The discussion centers on finding the derivative of the volume of a cone, represented by the formula V = (1/3)πr²h. Participants clarify that to compute the derivative, one must identify the …

Jan 25, 2026 · This thread centers around the daily Wordle game from the New York Times, where participants share their results, strategies, and experiences. The discussion includes personal …

3 days ago · An elementary particle has properties like spin and charge. With spin there can still be some kind of notion of rotation, but how can charge be characterized? Does there exists some …

Sep 13, 2025 · Hello, imagine there is a microwave cavity and the standing wave inside it oscillates, and then place one electron at the wave node point . Will the electron stay at rest? And what if there is …

Jul 30, 2008 · Batteries bad The article linked above says batteries are problematic in space. I propose a flywheel, which is suited to the Lunar environment. 1) It is in vacuum already. 2) Magnetic …

Feb 2, 2010 · Can anyone please describe the method of calculation of power of a turbo expander? Please write down the formula and the method of calculation for same.

Oct 8, 2008 · The discussion revolves around the functionality of the MRC, M+, and M- buttons on a basic calculator. Participants explore their uses in storing and recalling numbers, as well as the …

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 …

Oct 25, 2014 · Azimuthal symmetry in physics refers to a system's invariance under rotation around a specific axis, typically the z-axis. This concept is defined mathematically by the condition m=0, …

May 6, 2009 · The discussion revolves around the charge of the carbonate ion (CO3^2-) and the oxidation states of carbon and oxygen within polyatomic ions. Participants explore the concepts of …