2- a meson of negligible vel decays to muon and a neutrino find the KE that the muon move

3- a nucleus of mass M+deltam is at rest and decays into 2 daughter nuclei of equal massM/2 EACH find speed of daughter

nuclei and B.E /nucleon for parents- e1 for daughter nuclei e2 find relation b/w e1 and e2

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