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  1. 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 …

  2. Addition of Velocities (Velocity Composition) in Special Relativity

    May 20, 2024 · The “Addition of Velocities” formula (more correctly, the “Composition of Velocities” formula) in Special Relativity v A C c = v A B c + v B C c 1 + v A B c v B C c is a …

  3. 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, …

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

    Jul 20, 2025 · 20 TL;DR The relation between the concept and formula for group velocity As far as I know, if we have a wave function as a sum of many momentum eigen function, i.e., …

  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. 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 …

  7. Average Speed vs. Velocity: Explained • Physics Forums

    Jul 9, 2021 · Though average speed over a finite interval of time is greater or equal to the magnitude of the average velocity, Instantaneous speed at an instant is equal to the …

  8. Can you have a negative average velocity? • Physics Forums

    Sep 3, 2012 · I understand that it's possible to have a negative instantaneous velocity, but I'm wondering if it's possible to have an negative average velocity. For example, let's say you start …

  9. Velocity divided by Acceleration gives distance? - Physics Forums

    Jun 24, 2016 · Velocity divided by Acceleration gives distance? Mongster Jun 24, 2016 Accelaration Acceleration Mechanics Speed Velocity Click For Summary

  10. Torque & Power: Understanding Angular Velocity - Physics Forums

    Sep 9, 2008 · how can we say that torque is equal to power / angular velocity though we know that torque is equl to I x (change of angular velocity over time ). and how can we relate torque …