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April 23, 2014

Homework Help: Physics HELP

Posted by Ariel on Wednesday, July 14, 2010 at 12:43pm.

A railroad car with a mass of 2000kg is rolling at a speed of 15m/s. What force would be required to stop the car in 10 seconds?

a)13.3 N
b)2,000 N
=c)3,000 N
d)30,000 N

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