Discover a clear and insightful explanation of projectile motion using polar coordinate systems, where we explore how position, velocity, and acceleration can be represented in polar form. This video ...

Objective: The biomechanics of the head for punches to the jaw and the risk of head injury from translational and rotational acceleration were studied. Methods: Seven Olympic boxers from five weight ...

What do the maps show? These maps show the average wind speed over Australia. They have been generated from the Bureau of Meteorology's Atmospheric high-resolution Regional Reanalysis for Australia ...

An attending physician has completed all training, can work alone, and is a board-certified expert. A resident doctor is still training and must work under supervision. In an academic medical center, ...