An article demonstrating mathematically how various physical modelling assumptions affect the solution to the seemingly simple problem of the projectile.

How high will a ball taking a million seconds to fall travel?

10 intriguing starters related to the mechanics of sport.

At what angle should you release the shot to break Olympic records?

How do these modelling assumption affect the solutions?

A ball whooshes down a slide and hits another ball which flies off the slide horizontally as a projectile. How far does it go?

How fast would you have to throw a ball upwards so that it would never land?

At what positions and speeds can the bomb be dropped to destroy the dam?

Can you work out which of the equations models a bouncing bomb? Will you be able to hit the target?