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  1. Relationship between viscosity and velocity in fluid mechanics

    2022年10月31日 · 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...

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

    2025年7月20日 · 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, …

  3. 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 then …

  4. Is velocity ever a scalar quantity? • Physics Forums

    2024年12月27日 · 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, I …

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

    2016年6月24日 · Velocity divided by Acceleration gives distance? Mongster Jun 24, 2016 Accelaration Acceleration Mechanics Speed Velocity Click For Summary

  6. Relation Between Spring Constant and Angular Velocity

    2015年11月17日 · 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. Exit velocity of a gas through a hole - Physics Forums

    2016年9月25日 · 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 …

  8. How to find angular velocity from torque? • Physics Forums

    2013年9月6日 · 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 I …

  9. Learn the Basics of Dimensional Analysis - Physics Forums

    2019年7月18日 · The missing quantity is the velocity at which the object travels, which has physical dimension . Let us, therefore, see if we can find a product involving and that has the …

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

    2021年7月9日 · 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 magnitude …