A particle of charge and mass travels through a potential difference from rest

PHYSICS · Single correct · AP · Physics 2: Algebra-based · Electric Force Field and Potential · Electric Force Field and Potential

Problem

A particle of charge

Q

and mass

m

travels through a potential difference

V

from rest. The final momentum of the particle is: (a)

\frac{mV}{Q}

(b)

2Q\sqrt{mV}

(c)

\sqrt{2mQV}

(d)

\sqrt{\frac{2QV}{m}}