Textbook ExpertVerified Tutor
25 Nov 2021
Given information
A radioactive nucleus at rest decays into a second nucleus, an electron, and a neutrino.
Electron and neutrino are emitted at right angles.
is the momentum of the electron.
is the momentum of neutrino.
Step-by-step explanation
Step 1.
Applying law of conservation of momentum
initiall nucleus is at rest so
where
momentum of electron
momentum of neutrino
momentum of second nucleus
Then magnitude of
The direction of
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