# Vector A is 2.80 cm long and is 60.0 o above the x-axis in the first quadrant.

## Question:

^{o}above the x-axis in the first quadrant. Vector is 1.90 cm long and is below the x-axis in the fourth quadrant (Fig. E1.39). Use components to find the magnitude and direction of

(a) A + B;

(b) A €“ B;

(c) B €“ A. In each case, sketch the vector addition or subtraction and show that your numerical answers are in qualitative agreement with your sketch.

Figure E1.39

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**Related Book For**

## University Physics with Modern Physics

**ISBN:** 978-0321696861

13th edition

**Authors:** Hugh D. Young, Roger A. Freedman, A. Lewis Ford