Use conservation of energy and momentum to show thata
Chapter 39, Problem 39.45(choose chapter or problem)
Use conservation of energy and momentum to show thata moving electron cannot give off an X-ray photon unlessthere is a third object present, such as an atom or nucleus.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer