There are **9** NRICH Mathematical resources connected to **Energy**, you may find related items under Mechanics.

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

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

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

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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?

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Derive an equation which describes satellite dynamics.

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

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Investigate why the Lennard-Jones potential gives a good approximate explanation for the behaviour of atoms at close ranges

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