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April 17, 2014

Homework Help: math

Posted by Abraham on Saturday, September 17, 2011 at 10:56pm.

1)An object is suspended from two points on the ceiling 25cm apart by two pieces of rope of lengths 27cm and 24 if the object exerts from a downward force 200N then find the tension in each rope
2)An airplane heading north at 550km/h encounters a wind of 175km/h from 32 degrees of north of east,determine the resultant ground velocity of the plane and the direction of the plane
3)A sailor climbs a mast at 0.5m/s on a ship travelling north at 12m/s while the current flows east at 3m/s what is the speed of sailor relative to ocean floor

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