Chapter 38A -- Relativity
Chapter 38A -- Relativity
Chapter 38A -- Relativity
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The Twin Paradox<br />
Two twins are<br />
on Earth. One<br />
leaves and<br />
travels for 10<br />
years at 0.9c.<br />
When traveler<br />
returns, he is 23<br />
years older due<br />
to time dilation!<br />
t<br />
<br />
t<br />
1<br />
v<br />
0<br />
c<br />
2 2<br />
Traveling twin<br />
ages more!<br />
Paradox: Since motion is<br />
relative, isn’t t it just as true that<br />
the man who stayed on earth<br />
should be 23 years older?
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