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, ...

We're at the Porsche test track to learn all about acceleration. Unit 2 Segment C: Acceleration and Kinematic Equations We're back at the Porsche test track to learn all about acceleration. Kinematic ...

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 ...

Here is a video of a guy jumping 35 feet into a pool of water only 1 foot deep. What Is the Magnetic Constant, and Why Does It Matter? This persnickety number determines the strength of magnetic ...

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, ...