Exit velocity of a gas through a hole • Physics Forums
Sep 25, 2016 · The discussion centers on the relationship between the exit velocity of gas and the diameter of a hole in a pressurized container. Initially, it was suggested that the exit velocity …
Electric Field (velocity of a particle) - Physics Forums
Mar 12, 2007 · The discussion revolves around calculating the acceleration and final velocity of an electron moving between charged parallel plates. The acceleration is determined using the …
Phase and group velocity for the wave function - Physics Forums
Jul 20, 2025 · Since the phase velocity is linear in , , the group velocity is an average of all the phase velocities in the wave pocket. This turns out true in the simplest case which wave …
Velocity of electron moving between charged plates
Dec 3, 2009 · The relationship between the velocity of an electron moving between charged plates and the electric field is derived from kinematic equations and energy conservation …
Is velocity ever a scalar quantity? • Physics Forums
Dec 27, 2024 · I thought velocity was always a vector quantity, one with both magnitude and direction. When it came to the suvat equations, where v = final velocity, and u = initial velocity, …
Final velocity of a ball down a ramp. - Physics Forums
Jan 16, 2015 · Ignoring the fact that it's a ball for the moment, just treating it as a zero friction ramp, those (that) equation only tells you the final velocity. It doesn't tell you how long it takes …
Can force be expressed as mass flow rate times velocity
Aug 1, 2015 · Force can indeed be expressed as mass flow rate times velocity, particularly in fluid dynamics scenarios like water flowing through a pipe or gas from a spray can. According to …
Velocity divided by Acceleration gives distance? - Physics Forums
Jun 24, 2016 · Velocity divided by acceleration does not yield distance, as the units do not align correctly. The discussion highlights a common confusion between the symbol 's' representing …
Brachistochrone Problem w/ Initial Velocity - Physics Forums
Nov 3, 2020 · The discussion centers on the Brachistochrone problem, specifically addressing the scenario where an object has an initial velocity. The original problem has been solved for zero …
Terminal velocity of fluid in pipe - Physics Forums
Mar 20, 2017 · Hello, How do you calculate the terminal velocity of a fluid through a pipe. My problem includes turbulent flow, very high reynold number, and water (incompresible).