
- Relationship between viscosity and velocity in fluid mechanics- Oct 31, 2022 · Viscosity is an intrinsic property of fluids that remains constant regardless of the fluid's velocity, as long as the flow is laminar and the relationship between viscous force and … 
- 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 … 
- Is velocity ever a scalar quantity? • Physics Forums- Dec 27, 2024 · Velocity is fundamentally a vector quantity, possessing both magnitude and direction, while speed is a scalar representing only magnitude. In the context of the SUVAT … 
- 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 … 
- Velocity of air coming out of a nozzle - Physics Forums- May 31, 2013 · To calculate the speed of air exiting a nozzle from a compressed air tank, the pressure ratio must be considered to determine if the flow is choked, which occurs when the … 
- Average Speed vs. Velocity: Explained • Physics Forums- Jul 9, 2021 · Average speed is defined as the total distance traveled divided by the total time, while average velocity is the change in position divided by the time interval for that change. In … 
- How to find the initial velocity given only angle and distance …- Sep 19, 2010 · To find the initial velocity of an object launched at a 33-degree angle that lands 85 meters away, the correct formula is range = v0^2 * sin (2θ) / g. The calculated initial velocity is … 
- Can you have a negative average velocity? • Physics Forums- Sep 3, 2012 · Negative average velocity is possible when considering displacement in a defined directional context. For example, if an object moves north and then south, its average 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 … 
- How to Determine Velocity from a Force-Time Graph?- Mar 26, 2015 · To determine velocity from a force-time graph, the impulse is calculated as the area under the curve, which is crucial for solving the problem. The impulse-momentum …