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