1. Vector B =(52.8)x + (47.5)y. What is the magnitude of B?
2. Vector B=(52.8)x + (47.5)y. What is the direction of B in radians counter clockwise from the positive x axis?
1. sqrt [(52.8)^2 + (47.5)^2] = 71.0
2. tan^1 (47.5/52.8) = 42.0 degrees
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