
Is velocity ever a scalar quantity? - Physics Forums
Dec 27, 2024 · 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, …
Why is momentum equal to mass times velocity? - Physics Forums
Sep 22, 2023 · The discussion revolves around the definition of momentum, specifically why it is expressed as the product of mass and velocity (p = mv) rather than other combinations like …
Understanding Zero Velocity and Non-Zero Acceleration: Explained
Aug 1, 2009 · The discussion centers on the concept of having zero velocity while experiencing non-zero acceleration, exploring various scenarios and interpretations within the context of …
Numerade
Confusing speed with velocity, neglecting the directional component of velocity. Overlooking that deceleration is still a form of acceleration (negative acceleration). Failing to correctly apply the …
Calculating Velocity of a Falling Object with Drag Force
Aug 1, 2011 · The discussion revolves around calculating the velocity of a falling object experiencing drag force proportional to its velocity. The original poster presents a problem …
Change in direction affecting velocity • Physics Forums
Jul 13, 2016 · The discussion revolves around whether changing direction while in motion affects an object's velocity, particularly in the context of forces such as friction. Participants explore …
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 …
Calculating Final Velocity Using Force-Displacement Graph
Feb 21, 2016 · The discussion revolves around calculating the final velocity of a 9.9 kg object using a Force vs. Displacement graph, given its initial velocity of 28.6 m/s and a displacement …
Centrifugal Compressor: Absolute Velocity Calculation
Jan 28, 2024 · The discussion revolves around calculating the absolute velocity of air at the outlet of a centrifugal compressor, focusing on the relationships between impeller diameter, RPM, …
Vinyl records, RPMs, and velocity. How does it work?
Jan 17, 2012 · The discussion revolves around the mechanics of vinyl records, specifically addressing how the constant rotation speed (33 RPM) interacts with the changing radius of the …