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| Re: PHOTOS: MNR Derailment (1261713) | |||
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Re: PHOTOS: MNR Derailment |
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Posted by AlM on Mon Dec 2 10:12:31 2013, in response to Re: PHOTOS: MNR Derailment, posted by WillD on Sun Dec 1 20:30:44 2013. If their deceleration had been truly gradual no one would have been injured. They did after all probably decelerate from 110 feet per second to 0 feet per second over the course of 4 car lengths, or 340 feet. v^2 = 2ad, so a = 18 feet/sec/sec, or 0.6 g's.It's obviously a combination: they didn't hit any brick wall, but on the other hand if they had been more flimsy they would have sustained more damage being dragged on their side along the dirt. |
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