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November 23, 2014

November 23, 2014

Posted by **Samuel** on Tuesday, March 19, 2013 at 4:30pm.

My answer: Vf = 0.275 m/s

My solutions book has Vf = -0.275 m/s OR 0.275 m/s to the left.

My question is where does the negative or the "to the left" come from? My understanding is that "right" is positive.

Thanks.

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