Show that even a very powerful spaceship would eventually run out of overtaking power
How fast would you have to throw a ball upwards so that it would never land?
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?
Play with the energetic forces in this sling shot
See how the weight of weights varies across the globe.
Derive an equation which describes satellite dynamics.
Explore the energy of this incredibly energetic particle which struck Earth on October 15th 1991
Explore the power of aeroplanes, spaceships and horses.
How high can a high jumper jump? How can a high jumper jump higher without jumping higher? Read on...