
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, I thought both of …
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 mass …
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 vector …
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 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 involving forces acting …
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 multiply it by …
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 of 30 m. …
Determine initial velocity of a vertical throw - Physics Forums
Feb 5, 2021 · The problem involves a ball thrown vertically upward, returning to its initial position after 4 seconds, with gravity set at 10 m/s². Participants are exploring the initial velocity required for this …
How to find initial velocity given distance and angle
Jan 14, 2014 · The problem involves determining the initial velocity of a projectile launched at an angle of 20° to hit a target located 3 km away. The context is rooted in projectile motion, specifically …
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, and slip …