Physics for Scientists and Engineers, Vol 1 (Chapters 1-20)
4th Edition
ISBN: 9780132273589
Author: Doug Giancoli, Douglas C. Giancoli
Publisher: Prentice Hall
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Textbook Question
Chapter 1, Problem 57GP
Jean camps beside a wide river and wonders how wide it is. She spots a large rock on the bank directly across from her. She then walks upstream until she judges that the angle between her and the rock, which she can still see clearly, is now at an angle of 30° downstream (Fig. 1–16). Jean measures her stride to be about 1 yard long. The distance back to her camp is 120 strides. About how far across, both in yards and in meters, is the river?
FIGURE 1–16
Problem 57.
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Chapter 1 Solutions
Physics for Scientists and Engineers, Vol 1 (Chapters 1-20)
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