25.0° 50.0 m Figure 1.2 (Example 1.1) The height of a tree can be found by measuring the distance from the tree and the angle of sight to the top above the ground. This problem is a simple example of geometrically modeling the actual problem.

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Chapter3: Vectors
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Problem 3.7P: A surveyor measures the distance across a straight river by the following method (Fig. P3.7)....
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You wish to find the height of a tree but cannot measure it directly. You stand 50.0 m from the tree and determine that a line of sight from the ground to the top of the tree makes an angle of 25.0° with the ground. How tall is the tree?

25.0°
50.0 m
Figure 1.2 (Example 1.1) The height of a tree can be found by
measuring the distance from the tree and the angle of sight to
the top above the ground. This problem is a simple example of
geometrically modeling the actual problem.
Transcribed Image Text:25.0° 50.0 m Figure 1.2 (Example 1.1) The height of a tree can be found by measuring the distance from the tree and the angle of sight to the top above the ground. This problem is a simple example of geometrically modeling the actual problem.
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