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July 5, 2015

Homework Help: PHYSICS

Posted by Laila on Thursday, January 7, 2010 at 10:55pm.

A bolt drops from the ceiling of a train car that is accelerating northward at a rate of 3.15 m/s2.
What is the acceleration of the bolt relative to the train car?

I don't understand how to do this problem at all... and why isn't it zero? It seems if the train is going forward and the bolt is going backward at the same acceleration the acceleration should be zero?

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