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Question 1.7: Adding two vectors Now we’ll use the component method to add...

Adding two vectors Now we’ll use the component method to add two vectors. We will use this technique extensively (in Chapter 4) when we begin to consider how forces act upon an object. Vector \overset{\rightarrow }{\pmb{A}} has a magnitude of 50 cm and a direction of 30°, and vector \overset{\rightarrow}{\pmb{B}} has a magnitude of 35 cm and a direction of 110°. Both angles are measured counterclockwise from the positive x axis. Use components to calculate the magnitude and direction of the vector sum (i.e., the resultant) \overset{\rightarrow }{\pmb{R}}= \overset{\rightarrow }{\pmb{A}} + \overset{\rightarrow }{\pmb{B}} .

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