College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Question
A physicist wanders 180m west, 210m southeast, and then 280m at 30 degrees east of north. After a fourth displacement, the physicist finds himself back where he started. Graph a scale drawing and determine graphically the magnitude and direction of the fourth displacement.
Expert Solution

Step 1
Analyze the following figure.
Here, A, B, C, and D represent the first, second, third, and fourth displacement of the physicist.
The displacement A can be represented as,
The displacement B can be represented as,
Substitute the relevant values.
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