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  1. Phase and group velocity for the wave function - Physics Forums

    Jul 20, 2025 · The discussion centers on the concepts of phase velocity and group velocity in wave functions, specifically in the context of quantum mechanics. The group velocity is defined …

  2. Understanding Zero Velocity and Non-Zero Acceleration: Explained

    Aug 1, 2009 · I heard it would be possible to have zero velocity & non zero acceleration (I know the opposite situation where there is velocity (constant), but zero acceleration). Could anyone …

  3. Average Speed vs. Velocity: Explained - Physics Forums

    Jul 9, 2021 · Investigate the relationship between speed, velocity, and acceleration in motion analysis Students of physics, mathematicians, and educators seeking a deeper understanding …

  4. 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...

  5. 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 …

  6. Difference between rotational and angular velocity

    Sep 26, 2003 · The discussion clarifies the distinction between rotational velocity and angular velocity. Angular velocity is defined as the rate of change of angle over time, measured in …

  7. Phase velocity and wave velocity - Physics Forums

    May 29, 2017 · The discussion clarifies that wave velocity and phase velocity are numerically equivalent, defined by the equation v = ω/k, where ω is angular frequency and k is …

  8. 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 …

  9. Is Velocity Zero if Displacement is Zero? • Physics Forums

    May 16, 2015 · The concept of instantaneous velocity is also mentioned, which applies to specific moments along the path. This reinforces the principle that average velocity is zero when …

  10. Understanding Angular Velocity: W = 2pi (f) - Physics Forums

    May 31, 2010 · Angular velocity (ω) is defined by the equation ω = 2πf, where f represents frequency. This relationship arises from the fact that frequency measures the number of …