Question: A nucleus, initially at rest, decays radioactively. In the process, it emits an electron horizontally to the east, with momentum 10.010-21 kg*m/s and a neutrino

A nucleus, initially at rest, decays radioactively. In the process, it emits an electron horizontally to the east, with momentum 10.0×10-21 kg*m/s and a neutrino horizontally to the south, with momentum 5.0×10-21 kg*m/s.

(a) In what direction does the residual nucleus move (draw diagram, find angle )?

(b) What is the magnitude of its momentum?

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