
- 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 shear rate is … 
- 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 equations, 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 pocket contains … 
- 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 can be … 
- 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 straight-line … 
- How to find the initial velocity given only angle and distance traveled- 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 … 
- 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 … 
- Change in direction affecting velocity • Physics Forums- Jul 13, 2016 · Changing direction while in motion does affect velocity because velocity is a vector quantity that includes both speed and direction. When an object, such as a car, turns even slightly, … 
- 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 … 
- Zero Velocty is Constant Velocity? - Physics Forums- Oct 9, 2015 · Zero velocity is indeed considered a constant velocity in physics, as it satisfies the definition of constant velocity where the rate of change of velocity is zero. The confusion arises from …