Relativity Flashcards
1
Q
What is proper length, l ?
A
Proper length is the length of an object measured in a reference frame in which the object is at rest.
2
Q
What is proper time?
A
Proper time is the time interval between two events measured in a reference frame in which the events occur at the same position.
3
Q
What is the time interval between events in a frame moving with relative velocity v?
A
t = t’
