Explanation A vector directed along axis has no component in x-axis. So the magnitude of vector is the magnitude in y-axis alone. Given Info : The magnitude of vector A → is 29 units and its direction is positive y-axis and the resultant vector A → + B → has magnitude 14 units and directed along negative y axis. Write the formula to calculate the algebraic sum of y- components of two vectors. C y = A y + B y C y is the y-component of resultant vector C → A y is the y-component of vector A → B y is the y-component of vector B → Rewrite the above equation in terms of B y B y = C y − A y Substitute 29 units for A y and − 14 units for C y in the above equation to find B y . B y = ( − 14 units ) − ( 29 units ) = − 43 units Write the formula to calculate the direction of a vector

10th Edition

ISBN: 8220100853050

Author: Vuille

Publisher: CENGAGE L

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Units and Dimensions

These are generally defined as the terms which precede or describes the dimensions further. These are also further divided into two parts namely fundamental units and the derived units.

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Chapter 3, Problem 1P

To determine

The magnitude and direction of B→ .

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Chapter 3, Problem 15CQ

Chapter 3, Problem 2P

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Chapter 3 Solutions

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The magnitude and direction of B → .

Solution Summary: The author calculates the algebraic sum of y-components of two vectors.

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The magnitude and direction of B→ .

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Chapter 3 Solutions