Author Question: An electron, initially at rest is accelerated through a potential difference of 550 V. What is the ... (Read 33 times)

serike · **on:** Jul 29, 2018

An electron, initially at rest is accelerated through a potential difference of 550 V. What is the speed of the electron due to this potential difference?

A) 1.44 106 m/s
B) 1.59 106 m/s
C) 6.10 106 m/s
D) 18.7 106 m/s
E) 13.9 106 m/s

Question 2

An electron is initially at rest. It is accelerated through a potential difference of 400 V. What is the kinetic energy of this electron?

A) 6.4 10-17 J
B) 400 J
C) 0 J
D) 800 J
E) 6400 J