It is that FIRST Robotics competition time of the year. Basically, in FIRST, high school students work in teams to build robots that compete in specific tasks. Apparently, this year a task involves ...

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A boy kicks a ball horizontally over the edge of a cliff with a speed of \(6ms^{-1}\) as shown in the diagram. The ball hits the surface of the water \(3s\) later. (a) Calculate the vertical speed of ...

[Herman Erlichson was a physicist and a historian of science (he had Ph.D.s in both). He was also an avid golfer - and my uncle. He passed away just over a year ago, and I've been wanting to write ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...