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April 25, 2015

Homework Help: Physics

Posted by Anonymous on Sunday, March 2, 2008 at 5:58pm.

A boat travelling at 30km/h relative to water is headed away from the bank of a river and downstream. The river is 1/2 km wide and flows at 6km/h. The boat arrives at the opposite bank in 1.25min.

Calculate the component of the boat's velocity directed across the river.
Calculate the total downstream component of the boat's motion.

What does it mean headed downstream? Is it going to be the resultant vector?

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