An electron accelerator used in a hospital for cancer treatment produces a beam of electrons with kinetic

Question:

An electron accelerator used in a hospital for cancer treatment produces a beam of electrons with kinetic energy 25 MeV. 

(a) What is the speed of the electrons produced by this accelerator? 

(b) If the end of the electron accelerator is placed 15 cm from the patient, how long, in the reference frame of the electrons, do they take to travel this distance?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Question Posted: