College football season is coming to an end (I guess technically, the season is over - it is bowl season). Anyway, this is something I wanted to do a long time ago, but I kept getting side tracked. If ...

Here is a great question from a reader (rephrased a bit): I have in my possession a device from Noah Basketball and it measures the approach angle of a basketball at the rim using a video camera. *The ...

The terms projectile and trajectory are introduced. Projectile Motion: The terms projectile and trajectory are introduced. Students learn to describe horizontal and vertical components of a projectile ...

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 ...

I wish Angry Birds had been around when I was teaching high school physics. Please don’t think of the game as a hate crime against hogs, or an avian anger management program—instead, think of it as a ...

Projectile motion Imagine throwing a ball to someone. As the ball travels horizontally through the air, it also travels vertically because of the effects of the force of gravity. Any object moving in ...