Newton's Second Law states that force equals mass times acceleration. This can be investigated using a set-up like this one. You can use this set-up to investigate how changing two separate factors, ...

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 ...

The speed-time graph in the question below shows how the speed of a bus changes during part of a journey. b) At what time during the journey did the bus reach its greatest speed? c) How long did the ...

I've already estimated the speed. But is the Falcon flying straight down? I don't think so but it's difficult to tell with the camera rotating around like it is. Actually, I can undo the camera ...

The shocking discovery that the universe is expanding at a faster and faster rate has taken the 2011 Nobel Prize in physics. Three American-born astrophysicists will divide the $1.5 million prize, ...