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 …
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 …
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 …
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 …
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 …
How to Calculate Bullet Velocity in a Spring/Block System?
Aug 3, 2009 · This discussion focuses on calculating bullet velocity in a spring/block system, specifically addressing two problems involving simple harmonic motion (SHM). The first problem involves a …
Why a force perpendicular to the velocity doesn't change the …
Jan 10, 2020 · Hence, if the force is perpendicular to the velocity, then , which means the kinetic energy of the particle is constant, hence the speed is constant. Sir but in this derivation we have used the …
Calculating Final Velocity Using Force-Displacement Graph
Feb 21, 2016 · The discussion focuses on calculating the final velocity of a 9.9 kg object using a Force vs. Displacement graph, given an initial velocity of 28.6 m/s. The key equations utilized are W = Fd …
Velocity of the ball when it hits the ground, limits?
Jan 15, 2019 · The discussion centers on calculating the velocity of a baseball modeled by the function d (t) = -t^2 + 8t + 1 when it hits the ground. The ball reaches the ground at t = 8.123 seconds. The …
Finding Velocity given x and y velocities • Physics Forums
Oct 26, 2008 · To find the velocity of an object given its x and y components, the Pythagorean Theorem is the correct method for calculating the magnitude of the velocity vector. Specifically, the formula …