If an Electron in the Lab Has a Kinetic Energy

question 41

Multiple Choice

If an electron in the lab has a kinetic energy equal to twice its rest energy,what is its speed in the lab?

• A)0.84c
• B)0.87c
• C)0.89c
• D)0.91c
• E)0.94c

---

Definitions:

Less Than

A mathematical expression indicating that one quantity is smaller than another.

Symbolic Form

The representation of an argument or expression using symbols and variables to clarify structure or relationships.

Pain

An unpleasant sensory and emotional experience associated with actual or potential tissue damage, or described in terms of such damage.

Help

Assistance given to someone to make it easier for them to do something.