# Question: a What is the mass difference between the charged pion

(a) What is the mass difference between the charged pion and its neutral version? Express your answer in both kilograms and rest energy (MeV).

(b) What would be the kinetic energy of a neutral pion traveling at 0.75c?

(b) What would be the kinetic energy of a neutral pion traveling at 0.75c?

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