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How speed of vehicles is known?

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Anonymous

13y ago
Updated: 8/20/2019

There's 2 ways of putting this so here it goes: 1.say on top gear they put in book the speed they would already know the facts of the speed so they put it in the books 2.if say your where at a car factory the first car they make out of that module car they will test using all technology like a speed checkpoints or speed-o-monitor.

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Wiki User

13y ago

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