Suppose you walk 18.0 m straight west and then 25.0 m straight north.
Suppose you walk 18.0 m straight west and then 25.0 m straight north. How far are you from your starting point, and what is the compass direction of a line connecting your starting point to your final position? (If you represent the two legs of the walk as vector displacements A and B, as in Figure 3.55, then this problem asks you to find their sum R = A + B).
Figure 3.55.png
Figure 3.55: The two displacements A and B add to give a total displacement R having magnitude R and direction 0.
I would really appreciate any help to solve this and an explanation as to what equations to use. I am so confused! Thank you.
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Figure 3.55.png
Figure 3.55.png
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