Energy

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?

Show that even a very powerful spaceship would eventually run out of overtaking power

Gravity on the Moon is about 1/6th that on the Earth. A pole-vaulter 2 metres tall can clear a 5 metres pole on the Earth. How high a pole could he clear on the Moon?

Explore the energy of this incredibly energetic particle which struck Earth on October 15th 1991

Derive an equation which describes satellite dynamics.

Consider the mechanics of pole vaulting