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| Re: **Breaking News** - Metrolink Train collides with freight train (680780) | |||
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Re: **Breaking News** - Metrolink Train collides with freight train |
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Posted by Easy on Sat Sep 13 17:17:10 2008, in response to Re: **Breaking News** - Metrolink Train collides with freight train, posted by trainsarefun on Sat Sep 13 17:10:29 2008. I don't know that you can combine the speeds like that and get a useful number. Momentum would be the mass of each train multiplied by the velocity of each train. A slower moving freight train could have more momentum than a faster moving commuter train. |
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