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April 16, 2014

April 16, 2014

Posted by **Tunde** on Friday, January 28, 2011 at 1:19pm.

- physics -
**drwls**, Friday, January 28, 2011 at 2:52pmThe boat velocity relative to land, going upstream, is 10 - 3 = 7 km/h

Time to travel 7 km

= 7 km/(7 km/h)

= 1 hour

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