hey i came across this question on the web..has to do with relativity...i was jus wondering if anyone knew how to go about doing it ..."a moving aprticle has a rest mass which is double its kinetic energy. fins its speed and momentum"...(adsbygoogle = window.adsbygoogle || []).push({});

**Physics Forums | Science Articles, Homework Help, Discussion**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: Relativity problem

**Physics Forums | Science Articles, Homework Help, Discussion**