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April 18, 2015

Homework Help: Physics

Posted by Seth on Sunday, October 2, 2011 at 9:34pm.

A train has a mass of 5.22 multiplied by 106 kg and is moving at 70.0 km/h. The engineer applies the brakes, which results in a net backward force of 1.87 multiplied by 106 N on the train. The brakes are held on for 37.0 s.

(a) What is the new speed of the train?

(b) How far does it travel during this period?

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