Wednesday

April 23, 2014

April 23, 2014

Posted by **Dumb-Dumb** on Wednesday, September 12, 2012 at 3:58pm.

min

- College Physics -
**Steve**, Wednesday, September 12, 2012 at 4:45pmdepends on whether he cares how far downstream the boat drifts. Minimum time is achieved by heading perpendicular to the bank. In that case, he has to go 1.6km at a speed of 15km/hr.

min time is thus 1.6km / 15 km/hr = .10666 hr = 6.4min

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