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 …
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. …
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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 …
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 …
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 …
Magnitude and Direction of Velocity (projectile motion)
Apr 4, 2009 · The discussion focuses on determining the magnitude and direction of a baseball's velocity at its maximum height when thrown at an initial velocity of 15 m/s at an angle of 60 degrees. The …
Finding the velocity at the top of a loop • Physics Forums
Jun 17, 2014 · The discussion focuses on calculating the speed of a toy car at the top of a loop, given its mass of 0.062 kg, an entry speed of 0.60 m/s, and a loop radius of 0.2011 m. The key formula …
Exit velocity of a gas through a hole - Physics Forums
Sep 25, 2016 · The exit velocity of a gas escaping through a hole in a pressurized container is determined primarily by the pressure difference (ΔP) between the container and the environment, …
Velocity graph of an object speeding up - Physics Forums
Feb 4, 2015 · The discussion centers on understanding the velocity graph of an object and identifying segments where the object is speeding up or slowing down. Participants clarify that segments A and …