 |
High School
Teachers |
|
| TEACHING MATERIALS LINKS&BOOKS VISITING CERN HST |  |
|
High School
Teachers |
|
| TEACHING MATERIALS LINKS&BOOKS VISITING CERN HST | |
Relativity
Question 2 You know that the maximum speed at which not only matter, but information of any kind, can travel is that of the light in vacuum, c = 299 792 458 ms-1 . The fact that v = p/m = XXXXX is greater than c means that the non - relativistic expression p = mv is not a valid approximation here (it is correct only when you have v/c << 1).
The relativistic expression for the momentum is
Now, you can calculate the electron speed and check your result here.
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Last modified: 25 July 2001 |
