Relationship between viscosity and velocity in fluid mechanics
Oct 31, 2022 · The relationship between viscosity and velocity in fluid mechanics is clarified: viscosity is an intrinsic property of a fluid that remains constant regardless of the flow velocity. The viscous force, …
Phase and group velocity for the wave function - Physics Forums
Jul 20, 2025 · As far as I know, if we have a wave function as a sum of many momentum eigen function, i.e., ψ = ∑ k α k e i (k x ω t), the group velocity is the velocity of the whole wave function while phase …
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, I thought both of …
Average Speed vs. Velocity: Explained - Physics Forums
Jul 9, 2021 · The discussion clarifies the distinction between average speed and average velocity, emphasizing that average speed is defined as total distance divided by total time, while average …
Calculating Nozzle Flow Rate To work out the flow rate of water from a nozzle we need to work out the volume in a given period of time. To do this we work out the area of the nozzle and then multiply it by …
Understanding Zero Velocity and Non-Zero Acceleration: Explained
Aug 1, 2009 · The key takeaway is that instantaneous velocity can be zero at specific moments, while acceleration remains non-zero, highlighting a common misconception in understanding these concepts.
Velocity of an Object Dropped from Height: Law Explained
May 5, 2005 · The discussion clarifies that the velocity of an object dropped from a height positively correlates with the height due to the Law of Conservation of Energy. As an object falls, its potential …
Diving Board Jump: Analyzing Velocity and Height - Physics Forums
Sep 13, 2013 · The discussion centers on the physics problem of a diver jumping from a 3.00-meter high diving board with an initial upward velocity of 1.75 m/s. The diver's velocity upon reaching the water …
Understanding Velocity=r (omega)?? - Physics Forums
Mar 2, 2010 · The equation for linear velocity, represented as v = r (ω), establishes that velocity is directly proportional to the radius (r) and the angular velocity (ω) measured in radians per second. …
Difference between angular velocity and angular frequency
Aug 8, 2018 · The discussion clarifies the distinction between angular velocity (ω v) and angular frequency (ω f). Angular velocity is defined as the instantaneous rate of change of angular …