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...
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, …
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 …
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 …
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
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 …
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 …
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 …
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 …
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 …