Escape velocity

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Дата изменения: Wed Mar 17 04:29:31 2004
Дата индексирования: Tue Oct 2 17:06:20 2012
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Поисковые слова: m 97

Escape velocity

Remember - the gravitational potential energy of an object a distance r from the centre of a planet is:

If an object is moving so fast that its kinetic energy exceeds this, it can escape out into space, never to return. Thus

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