Unit 1 - Special Relativity

Question 1

what is the first postualte of special relativity?

Answer 1

when 2 observers are moving at constant speeds relative to one another, they will oberve the same laws of physics

Question 2

what is the second postulate of special relativity?

Answer 2

the speed of light (in a vacuum) is the same for all observers

Question 3

what is this equation?

Answer 3

Time dilation

Question 4

what does t’ stand for in this equation?

Answer 4

time observered by the stationary observer, observing the object moving at speed.

Question 5

what does t stand for in this equation?

Answer 5

time measured in the same reference as the object

Question 6

what does the c stand for in this equation?

Answer 6

the speed of light.

Question 7

what is this equation?

Answer 7

the Lorentz factor

Question 8

what is this equation?

Answer 8

Length Contraction

Question 9

what does the l stand for in this equation?

Answer 9

the length measured by a stationary observer

Question 10

what does l’ stand for in this equation?

Answer 10

length measured by the observer who is moving at speed