Homework Help: physics

Posted by Elizabeth on Monday, September 3, 2012 at 7:01pm.

A plane flies south at 220 km/h and is blown west by a 90. km/h wind. Calculate the resultant speed.

physics - Elena, Tuesday, September 4, 2012 at 11:19am
v(R) =sqrt(220²+90²) = 237.7 km/h

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