Vertical circular motion minimum speed proof - Physics Forums
2009年11月21日 · The minimum speed required for an object to complete a vertical circle is derived to be (rg)^0.5 at the top of the circle, where r is the radius and g is the acceleration …
Understanding Zero Velocity and Non-Zero Acceleration: Explained
2009年8月1日 · Zero velocity can occur at a single instant while acceleration remains non-zero, as demonstrated by a ball thrown upwards that momentarily stops at its peak height. …
Relationship between viscosity and velocity in fluid mechanics
2022年10月31日 · Viscosity is an intrinsic property of fluids that remains constant regardless of the fluid's velocity, as long as the flow is laminar and the relationship between viscous force …
Derivation of velocity in nth Bohr orbit • Physics Forums
2011年3月17日 · The discussion focuses on deriving the expression for an electron's speed in the nth Bohr orbit and proving that the highest speed occurs in the n = 1 orbit, with a specific …
Is velocity ever a scalar quantity? • Physics Forums
2024年12月27日 · Velocity is fundamentally a vector quantity, possessing both magnitude and direction, while speed is a scalar representing only magnitude. In the context of the SUVAT …
Phase and group velocity for the wave function - Physics Forums
2025年7月20日 · Since the phase velocity is linear in , , the group velocity is an average of all the phase velocities in the wave pocket. This turns out true in the simplest case which wave …
How to find the initial velocity given only angle and distance …
2010年9月19日 · To find the initial velocity of an object launched at a 33-degree angle that lands 85 meters away, the correct formula is range = v0^2 * sin (2θ) / g. The calculated initial …
Average Speed vs. Velocity: Explained • Physics Forums
2021年7月9日 · Average speed is defined as the total distance traveled divided by the total time, while average velocity is the change in position divided by the time interval for that change. In …
Can you have a negative average velocity? • Physics Forums
2012年9月3日 · Negative average velocity is possible when considering displacement in a defined directional context. For example, if an object moves north and then south, its average velocity …
Velocity divided by Acceleration gives distance? - Physics Forums
2016年6月24日 · Velocity divided by acceleration does not yield distance, as the units do not align correctly. The discussion highlights a common confusion between the symbol 's' representing …