Nov 21, 2009 · The minimum speed required for a body to complete a vertical circular motion is established as v = (rg)^0.5, where r is the radius and g is the acceleration due to gravity. This …

Sep 26, 2003 · The discussion clarifies the distinction between rotational velocity and angular velocity. Angular velocity is defined as the rate of change of angle over time, measured in …

Sep 19, 2010 · The discussion focuses on calculating the initial velocity of a projectile launched at a 33-degree angle that lands 85 meters away. The formula used is Range = v02sin (2θ)/g, …

Oct 31, 2022 · The relationship between viscosity and velocity in fluid mechanics is clarified: viscosity is an intrinsic property of a fluid that remains constant regardless of the flow 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 …

Jul 20, 2025 · As far as I know, if we have a wave function as a sum of many momentum eigen function, i.e., ψ = ∑ k α k e i (k x ω t), the group velocity is the velocity of the whole wave …

Jul 9, 2021 · The discussion clarifies the distinction between average speed and average velocity, emphasizing that average speed is defined as total distance divided by total time, while …

Aug 1, 2009 · The key takeaway is that instantaneous velocity can be zero at specific moments, while acceleration remains non-zero, highlighting a common misconception in understanding …

Aug 9, 2021 · The discussion clarifies that the initial velocity of an object is not always zero, particularly when considering the moment it leaves the thrower's hand. The term "initial …

May 5, 2005 · The discussion clarifies that the velocity of an object dropped from a height positively correlates with the height due to the Law of Conservation of Energy. As an object …