I never learned how to do these...

Question

An electron moves from one plate of a capaci-
tor to another, through a potential difference
of 2495 V.
a) Find the speed with which the electron
strikes the positive plate.
Answer in units of m/s.

If a proton moves from the positive plate to
the negative plate, find the speed with which
the proton strikes the negative plate.
Answer in units of m/s.

A proton is accelerated from rest through a
potential difference of 119 V.
Calculate the final speed of this proton.
Answer in units of m/s.

Answer 1

123mg