What will be the speed of each of the pions

Reference no: EM13551830

A K0 particle at rest decays into a ?+ and a ??. The mass of the K0 is 497.7 MeV/c2 and the mass of each pion is 139.6 MeV/c2. What will be the speed of each of the pions?

Reference no: EM13551830

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