Posted by Karen on Monday, September 26, 2011 at 6:21pm.
An airplane is flying south at 500 km/hr and is being blown by a crosswind of 75 km/hr east. What is the resultant velocity of the airplane?

Physics help ASAP please  bobpursley, Monday, September 26, 2011 at 6:32pm
the angle E of S is arc tan 75/500. determine that angle
sintheta=75/speed
solve for speed