Flashcards in Week 2 Time Dilation, Einstein's Postulates & Length Contraction Deck (6)

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1

## what are Einstein's two postulates

###
speed of light is constant for all observers/inertial frames of reference

Identical isolated experiments in different inertial frames deliver identical results

2

## what are the 3 consequences of Einstein's speed of light postulate

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A measures light to approach B at speed c+v

A measures that light travels at c

B measures that light travels at c

3

## what consequence of Einstein's postulates is proven via a light clock experiment

### time ticks at different rates for different observers

4

## what is normally defined as gamma and is very commonly >1

### gamma = 1 / sqrt( 1 - v^2/c^2 )

5

## define time dilation

### moving clocks (objects) run slower

6