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EDEXCEL JANUARY 2015 PHYSICS DISCUSSION Unit 4

me_lonelyboy said:
How do we do that electron positron pair anyway?
I wasnt sure.
what formula do we have to use there?
E=1/2 mv^2 ??

No
Use e=mc^2 ,
should get smth around 1.639 x10^-13 J
For the next part, it's 0.511 MeV

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