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 …
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 …
What is the derivation for the drag force equation used in Terminal ...
Feb 17, 2005 · The drag force equation used in terminal velocity, expressed as F_drag = 1/2 * C_D * A * ρ * v^2, is fundamentally a definition rather than a derivation. The drag coefficient (C_D) is …
Diving Board Jump: Analyzing Velocity and Height - Physics Forums
Sep 13, 2013 · The discussion centers on the physics problem of a diver jumping from a 3.00-meter high diving board with an initial upward velocity of 1.75 m/s. The diver's velocity upon reaching the water …
Calculating Trebuchet Velocity: A Homework Help Guide
Dec 10, 2009 · The discussion focuses on calculating the velocity of a golf ball launched by a trebuchet for a physics project. The user provided specific parameters including a counterweight mass of …
Change in direction affecting velocity • Physics Forums
Jul 13, 2016 · Changing direction while in motion does affect velocity, as velocity is a vector quantity that includes both speed and direction. When an object, such as a weight swung in a circle, changes …
Induced Drag Airfoil: Proportional to Velocity^2? - Physics Forums
Mar 14, 2010 · The discussion centers on the relationship between induced drag and velocity in airfoils, specifically addressing the claim that induced drag is inversely proportional to the square of airspeed. …
Orbital Velocity: Why Mass Doesn't Matter • Physics Forums
Oct 10, 2015 · The discussion centers on the independence of orbital velocity from mass, specifically in the context of satellites. The centripetal force equation, m2v2/r = GM1m2/r2, illustrates that when …
Centrifugal Compressor: Absolute Velocity Calculation
Jan 28, 2024 · The discussion centers on calculating the absolute velocity of air at the outlet of a centrifugal compressor using the impeller diameter, RPM, and slip factor. Key concepts include the …
Suppose the velocity of money is 10 transactions per year ... - Numerade
Feb 8, 2023 · Suppose the velocity of money is 10 transactions per year, the price level for 2015 is $5, and real GDP in 2015 is $5,000,000. If the central bank holds the money supply constant and output …