
Derivative of the Volume of a Cone - Physics Forums
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 …
Sources of Error in a Speed of Sound Experiment - Physics Forums
Mar 10, 2018 · Yes, human ears were used to hear the loudest volume. The tube was approx. 1 metre long and the diameter was approx. 10cm. The bottom of the tube was closed, and the top was open. …
Do we include asymptotes as critical points? - Physics Forums
Nov 30, 2007 · This discussion centers on whether asymptotes should be classified as critical points in the context of the function y = x sqrt (4-x^2). The critical points identified are √2 and -√2, while the …
What is 'K' in K=1/4pi Epsilon 0? - Physics Forums
Aug 27, 2011 · The discussion clarifies that 'k' in the equation 1/2mv² = kQq/r represents the Coulomb constant, valued at approximately 8.988 x 10^9 Nm²/C². It is defined as k = 1/4πε₀, where ε₀ is the …
MCNPX Fatal error: "electron importances are zero"
Sep 3, 2023 · When I run the application, I get an error message. Fatal error electron importances are zero, I can't find what's wrong in the code.
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 …
Explanation of this popular t-shirt equation • Physics Forums
May 15, 2015 · The discussion centers around the interpretation of the equation displayed on a popular MIT-themed t-shirt: F/C² (sqrt (-1))PV/nR. Participants clarify that the equation likely represents a …
Sources of Error in Standing Waves Lab - Physics Forums
Nov 13, 2005 · Did you alter the tension in the string (pulley and masses or lever) and determined the frequency of the oscillation at the specific tensions? How did the higher harmonics (loops) originate, …
What Does CIVIL Mean in Electrical Engineering? - Physics Forums
Nov 16, 2006 · The term "CIVIL" in electrical engineering refers to the phase relationships between voltage and current in circuit elements, specifically capacitors and inductors. It is analogous to the …
Where Can I Download MCNPX or MCNP5C for Free? - Physics Forums
Feb 14, 2010 · MCNPX and MCNP5C are proprietary nuclear design codes that cannot be downloaded for free due to strict distribution controls. Users must obtain an export license and request access …