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1. A woman walks eastward for 5 km and then northward for 10 km. How far is she from her starting point? If she had walked directly to her destination, in what direction would she have headed? 2. A woman in a car on a level road sees an airplane traveling in the same direction that is climbing at an angle of 30° above the horizontal. By driving at 110 km/h she is able to stay directly below the airplane. Find the airplane's velocity. 3. Using the component method, find the magnitude and direction of the resultant of a 5-N force that acts at an angle of 37° clockwise from the +X axis, a 3-N force that acts at an angle of 180° clockwise from the +x axis, and a 7-N force that acts at an angle of 225° clockwise from the +X axis. Compare your answer using the Polygon method. Use scale: 1cm = 2N

1. A woman walks eastward for 5 km and then northward for 10 km. How far is she from her starting point? If she had walked directly to her destination, in what direction would she have headed? 2. A woman in a car on a level road sees an airplane traveling in the same direction that is climbing at an angle of 30° above the horizontal. By driving at 110 km/h she is able to stay directly below the airplane. Find the airplane's velocity. 3. Using the component method, find the magnitude and direction of the resultant of a 5-N force that acts at an angle of 37° clockwise from the +X axis, a 3-N force that acts at an angle of 180° clockwise from the +x axis, and a 7-N force that acts at an angle of 225° clockwise from the +X axis. Compare your answer using the Polygon method. Use scale: 1cm = 2N

College Physics
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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VIII. Questions and Problems: Concurrent Forces 1. A woman walks eastward for 5 km and then northward for 10 km. How far is she from her starting point? If she had walked directly to her destination, in what direction would she have headed? 2. A woman in a car on a level road sees an airplane traveling in the same direction that is climbing at an angle of 30° above the horizontal. By driving at 110 km/h she is able to stay directly below the airplane. Find the airplane's velocity. 3. Using the component method, find the magnitude and direction of the resultant of a 5-N force that acts at an angle of 37° clockwise from the +X axis, a 3-N force that acts at an angle of 180° clockwise from the +x axis, and a 7-N force that acts at an angle of 225° clockwise from the +X axis. Compare your answer using the Polygon method. Use scale: 1cm = 2N
Transcribed Image Text:VIII. Questions and Problems: Concurrent Forces 1. A woman walks eastward for 5 km and then northward for 10 km. How far is she from her starting point? If she had walked directly to her destination, in what direction would she have headed? 2. A woman in a car on a level road sees an airplane traveling in the same direction that is climbing at an angle of 30° above the horizontal. By driving at 110 km/h she is able to stay directly below the airplane. Find the airplane's velocity. 3. Using the component method, find the magnitude and direction of the resultant of a 5-N force that acts at an angle of 37° clockwise from the +X axis, a 3-N force that acts at an angle of 180° clockwise from the +x axis, and a 7-N force that acts at an angle of 225° clockwise from the +X axis. Compare your answer using the Polygon method. Use scale: 1cm = 2N
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