6. (a) In SI units, the kinetic energy of the positive tau particle is K= (2200 MeV)(1.6 ×10–13J/MeV) = 3.52 ×10–10J. Similarly, mc2= 2.85 ×10–10J for the positive tau. Eq. 37-54 leads to the relativistic momentum: ()22210101081123.52 10J2 3.52 10J2.85 10J2.998 10 m/spKKmcc−−−=+=×+×××
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