University Physics with Modern Physics, Volume 1 (Chs. 1-20) and Mastering Physics with Pearson eText & ValuePack Access Card (14th Edition)
14th Edition
ISBN: 9780134209586
Author: Hugh D. Young
Publisher: PEARSON
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Chapter 1, Problem 1.32E
A postal employee drives a delivery truck over the route shown in Fig. E1.25. Use the method of components to determine the magnitude and direction of her resultant displacement. In a vector-addition diagram (roughly to scale), show that the resultant displacement found from your diagram is in qualitative agreement with the result you obtained by using the method of components.
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Vector A has a magnitude of 142 units and points 32.0° north of west. Vector B points 67.0° east of north. Vector C points
16.0° west of south. These three vectors add to give a resultant vector that is zero. Using components, find the magnitudes
of the following vectors.
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A surveyor measures the distance across a straight river by the following method: Starting directly across from a tree on the opposite bank, he walks x = 100 m along the riverbank to establish a baseline. Then he sights across to the tree. The angle from his baseline to the tree is θ = 35.0° (Fig. P1.49). How wide is the river?
Vector is 2.80 cm long and is
above the x-axis in the first
quadrant. Vector is 1.90 cm long
and is below the x-axis in the
fourth quadrant (Figure below).
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
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Chapter 1 Solutions
University Physics with Modern Physics, Volume 1 (Chs. 1-20) and Mastering Physics with Pearson eText & ValuePack Access Card (14th Edition)
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