The Student Room Group
Reply 1
Usual route is a molecule bouncing off a wall.

Work out change in momenetum per second etc
Its covered in most old fashioned Alevel textbooks.
this is a struggle to remember but its something to do with kinetic energy is the same as temperature and e = mc^2
that may be random facts mixing together in my head though!
Reply 3
teachercol
Its covered in most old fashioned Alevel textbooks.

Yeah I just found it in my weighty tome from school today, missed it on first glance though, thanks.

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