Homework Help: special relativity

Posted by Deforest on Tuesday, June 7, 2011 at 2:21pm.

A photon of energy E collides with a stationary particle of rest mass m0 and is absorbed by it.

what is the velocity of the resulting composite particle ?

what is the mass of the resulting composite particle?

(use conservation of momentum and energy)

special relativity - sussex uni amirite?, Tuesday, June 7, 2011 at 3:01pm
answer to part a is v=E/(E+mc^2), not sure about part b.

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