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 …
About Work done when velocity is constant • Physics Forums
Nov 28, 2021 · The discussion revolves around the concept of work done when an object moves at constant velocity, specifically addressing the apparent contradiction between constant speed and …
Learn About the Speed of Light and Galilean Relativity
Dec 22, 2015 · Some experiments in the 19th and early 20th centuries looked how the velocity of a light source affects the speed of the light emitted from it.
What is the derivation for the drag force equation used in Terminal ...
Feb 17, 2005 · The discussion revolves around the derivation of the drag force equation used in terminal velocity, specifically the equation F_drag = 1/2 * C_D * A * ρ * v^2. Participants explore the …
Escape Velocity Question: Why is the final kinetic energy = 0?
Dec 13, 2020 · The discussion revolves around the concept of escape velocity, specifically addressing why the final kinetic energy of an object is considered to be zero when it reaches an infinite distance …
Velocity transformation between frames rotating relative to one another
Jan 16, 2024 · SUMMARY This discussion focuses on the transformation of velocities between two rotating frames, specifically frames S' and S'' that rotate relative to each other with angular velocities …
How Can Uniform Acceleration and Velocity Affect Train Travel Times?
Oct 13, 2008 · The discussion revolves around a train's travel time between stations, involving uniform acceleration and velocity. The train accelerates from rest, travels at a constant speed, and then …
Velocity and acceleration vectors - Physics Forums
Mar 15, 2015 · The discussion revolves around the concepts of velocity and acceleration vectors, particularly focusing on how to calculate acceleration from two velocity vectors and the interpretation …
Velocity equation for a cyclindrical tank and long pipe
Feb 11, 2020 · The discussion revolves around understanding the derivation of a specific velocity equation for water discharged from a cylindrical tank through a long pipe, as presented in a textbook. …
What is the derivative of velocity with respect to position?
Dec 18, 2019 · The discussion revolves around the derivative of velocity with respect to position in the context of Lagrangian mechanics. Participants explore the implications of treating position and …