Find the magnitude and angle of vector B

[nneilson1]

Homework Statement

find the magnitude and angle of vector B when vector A has a magnitude of 75 units and points in the positive x direction and vector C (A+B) has a magnitude of 95 units and points in the positive y direction. how would you work this problem out?

 

[eraemia]

Use this nifty applet:

http://phet.colorado.edu/simulations/vectormath/vectorMath.swf

 

[nneilson1]

thank you