A surveyor measures the distance across a straight river by the following method. Starting directly across from a tree on the opposite bank, she walks d = 78 m along the riverbank to establish a baseline. Then she sights across to the tree. The angle from her baseline to the tree is θ = 36.0°. How wide is the river?_____________________________ m
A surveyor measures the distance across a straight river by the following method. Starting directly across from a tree on the opposite bank, she walks d = 78 m along the riverbank to establish a baseline. Then she sights across to the tree. The angle from her baseline to the tree is θ = 36.0°. How wide is the river?_____________________________ m
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter1: Introduction And Vectors
Section: Chapter Questions
Problem 55P
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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, she walks d = 78 m along the riverbank to establish a baseline. Then she sights across to the tree. The angle from her baseline to the tree is θ = 36.0°. How wide is the river?
_____________________________ m
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