Homework Help: Physics

Posted by Anonymous on Sunday, March 2, 2008 at 2:39pm.

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.

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