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Introductory Physics Homework Help
Comparing relativistic momentum to classical
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[QUOTE="PsychonautQQ, post: 4486730, member: 482086"] EDIT: Okay I don't expect an answer for this because of my crappy attempt at LaTex, i'll work on making it look prettier sorry [h2]Homework Statement [/h2] If the kinetic energy of a particle is equal to twice its rest energy, what percentage error is made by using p = mu for the magnitude of its momentum? [h2]Homework Equations[/h2] [tex]\[E_i=mc^2\][/tex] [tex]\[p = \frac{mu}{(1-\frac{u^2}{c^2})^\frac{1}{2}}\][/tex] [tex]\[p = mu\][/tex] [tex]\[K=\frac{p^2}{2m}\][/tex] [h2]The Attempt at a Solution[/h2] I set K = 2mc^2 and then solved for the relative velocity u and ended up with u=(2/sqrt(5))*c I then set K = 2mc^2 again but this time the momentum term was non relativistic, and solving for u I got u = 2c now I'm lost [/QUOTE]
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Introductory Physics Homework Help
Comparing relativistic momentum to classical
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