chp3 problem1

Physics: Principles with Applications

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Question Problem In the figure, let denote the displacement of the car (215 km) towards west and represent the displacement towards southwest (85 km). Then the displacement of the car from the point of origin is shown in magnitude and direction by the resultant vector . To find the magnitude of displacement of the car. Resolve the vector along the and axes as and respectively. The displacement vector is specified by the equation . Resolve the vector into its components along the and axes as and . Similarly resolve the vector along the axis as and . The angle between and is . Using the law of vector addition find the magnitudes of
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Unformatted text preview: and . Substitute the values of and in equation . (1 of 2) [2/4/2008 3:40:12 PM] Thus, the displacement of the car from the point of origin is . To find the direction of displacement of the car. In the figure, denotes the direction of displacement of the car. The tangent of the angle is obtained by dividing the components and the components. Find . Thus, the direction of displacement of the car is south of west. (2 of 2) [2/4/2008 3:40:12 PM]...
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