Relationship between viscosity and velocity in fluid mechanics
2022年10月31日 · The viscous force within a fluid will depend on the velocity gradient (aka shear rate) within the fluid. That does not mean that the viscosity is a function of velocity. Viscosity is …
Finding Velocity given x and y velocities - Physics Forums
2008年10月26日 · 1. How do you find the velocity of an object if you are given the x and y components of the velocity? 2. Not sure! 3. It makes the most sense to use the Pythagorean …
Circular Motion Experiment: Velocity^2 vs. Radius Analysis
2008年2月20日 · Hi, I conducted a circular motion experiment--with a rubber bung & string through a plastic tube. I changed the radius of the string every trial, calculated the amount of …
Velocity divided by Acceleration gives distance? - Physics Forums
2016年6月24日 · No it doesn't. You're mixing symbols with units, s is short for seconds. eg velocity is metres per second (m/s) In the kinematic equations (SUVAT) 's' is used to represent …
Derivation of velocity in nth Bohr orbit - Physics Forums
2011年3月17日 · So, I was thinking of using (momentum) mvr=hn/2(pi) which works out to give a nice expression for the velocity, but it fails in the next two parts of the problem. I also looked at …
Zero Velocty is Constant Velocity? - Physics Forums
2015年10月9日 · In the Principles of Physics book chapter two in checkpoint 2 claims that If velocity of object is zero its a constant velocity.I am confused cause v=0 means there's no …
Baseball Physics: Solving Velocity and Net Force with Drag …
2007年9月12日 · This is the terminal velocity. Now suppose the ball is fired downward by a canon from the helicopter with an initial velocity that exceeds the terminal velocity. The upward drag …
What is the significance of sqrt{2gh} - Physics Forums
2010年4月22日 · I've seen it in escape velocity problems, though with an R instead of h. I've seen it with conservation of momentum applications, and it's similar to PE = mgh. Yesterday my …
Relation Between Spring Constant and Angular Velocity - Physics …
2015年11月17日 · ω = angular velocity in rad / s 2⋅π corresponds to one full rotation (2⋅π rad = 360°). If you want to know how many rotations are made in one second, you calculate ω / …
Spring compressed, find velocity. - Physics Forums
2011年2月8日 · A block of mass 0.3 kg and spring constant 24 N/m is on a frictionless surface. If the block is set into motion when compressed 3.5 cm, what is the maximum velocity of the …