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Aleks [24]
4 years ago
13

A clock on a moving train runs __________ an identical clock at rest.

Physics
1 answer:
katovenus [111]4 years ago
4 0

It depends who is watching it.

-- A passenger on the train says that his clock is normal, but the clock at the station he just passed is running slow.

-- A ticket agent at the station says that his clock is normal, but the clock on the train that just rolled through is running slow.

-- They're both correct, but ...

-- The difference is too small for either of them to notice, unless the train is going faster than about half the speed of light.

-- It isn't.

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