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Length contraction

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Richard Datwyler

on 8 March 2017

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Transcript of Length contraction

Length contraction
Moving objects are smaller
Similar to time dilation, the trick is who is measuring the 'moving'
We define proper Length as a length that is measured at rest.
There is a trick about the measurement of an object that is moving, for then the moving object (spaceship or cargo) is at rest in the moving reference frame.
Proper length = measurement is at rest relative to the object being measured
contracted length = measurement is made moving between the object being measured
Proper Length is always longer than contracted length
The distance to the next major galaxy is 2.5 million ly away. A dreamer thinks he can design a space ship that can reach .9995 c. How far away will andromeda be to the crew of this ship?
How long would it take them to get there?
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