Under other circumstances, he would have been able to manage his effective mass; but not easily.
Electrons do have an 'effective' mass in various systems, and part of that is their velocity.
If the spring itself has mass, its effective mass must be included in .
We can find the effective mass of the spring by finding its kinetic energy.
This is usually done by using the electrons' effective mass in place of m.
The effective mass can be negative or different depending on the circumstances.
In energy regions far away from a minimum, effective mass can be negative or even approach infinity.
The density-of-states effective masses are tabulated below for a few cases.
Double the effective mass of everyone aboard for forty- two minutes.
Typically the effective mass of electrons and holes are different.