Relationship between viscosity and velocity in fluid mechanics
Oct 31, 2022 · hello, I read in a lecture paper about fluid mechanics that velocity is not related to viscosity, i found this odd and i think it is an error , can someone...
Phase and group velocity for the wave function - Physics Forums
Jul 20, 2025 · The discussion centers on the concepts of phase and group velocity in wave functions, particularly in the context of quantum mechanics. It clarifies that the group velocity, …
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 …
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, …
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 …
Relation Between Spring Constant and Angular Velocity
Nov 17, 2015 · I was going through Periodic Motion chapter of my book and came across an equation while defining the relation between Time Period of on oscillating particle and force …
How to find velocity given coefficient of friction, distance, mass …
May 13, 2009 · Homework Statement calculate the final velocity of an object sliding across a surface with a coefficient of friction of 0.2, a distance of 3m, an initial velocity of 50m/s and the …
Exit velocity of a gas through a hole - Physics Forums
Sep 25, 2016 · Hello, Given: A large pressurized container with a small hole in a side. The sides of the container are VERY thin such that the thickness of the sides can be ignored. The …
How to find angular velocity from torque? • Physics Forums
Sep 6, 2013 · Hello, If I apply force on a rigid cube, I can find the torque τ as: τ = F x r Now, from torque τ I can know about the axis of rotation but how much should I rotate the cube. How can …
Zero Velocty is Constant Velocity? - Physics Forums
Oct 9, 2015 · Homework Statement In the Principles of Physics book chapter two in checkpoint 2 claims that If velocity of object is zero its a constant velocity.I am...