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A 14C nucleus, initially at rest, emits a beta particle. The beta particle is an electron...

A 14C nucleus, initially at rest, emits a beta particle. The beta particle is an electron with 138 keV of kinetic energy.

A) What is the speed of the beta particle? [v=__c]

B) What is the momentum of the beta particle? [P=__kg x m/s]

C) What is the momentum of the nucleus after it emits the beta particle? [P=__kg x m/s]

D) What is the speed of the nucleus after it emits the beta particle? [v=__m/s]

**Please answer all parts I am very lost on this and keep getting the wrong answer, work provided would be grateful! THANK YOU in advance!!**

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