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 …
Escape Velocity Question: Why is the final kinetic energy = 0?
Dec 13, 2020 · The escape velocity serves as a threshold; if an object's initial kinetic energy exceeds half the product of its mass and the square of the escape velocity (), it will not return to the planet. …
Diving Board Jump: Analyzing Velocity and Height - Physics Forums
Sep 13, 2013 · The problem involves a diver jumping off a 3.00 meter high diving board with an initial upward velocity of 1.75 m/s. The questions focus on determining the diver's velocity upon reaching …
Finding The magnitude of the velocity - Physics Forums
Sep 13, 2021 · The discussion revolves around finding the magnitude of velocity in a physics context, specifically involving kinematics and the equations of motion. Participants are exploring various …
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 …
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 …
How Do You Calculate the Muzzle Velocity of a Spring-Loaded Toy Gun ...
Sep 9, 2007 · The discussion revolves around calculating the muzzle velocity of a spring-loaded toy gun that shoots a ball vertically. The problem involves concepts from mechanics, specifically energy …
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 …
How to prove that velocity of wave= sqrt (tension/denisty)?
May 15, 2015 · Exploratory, Assumption checking, Conceptual clarification Participants express uncertainty about how to begin proving the velocity equation and question the relationship between …
Calculating Velocity Components and Angle between Cars at an ...
Feb 20, 2011 · The problem involves two vehicles at an intersection, specifically a police car and a motorist, and requires the calculation of velocity components and the angle between their velocities …