Multiple Choice
Which of the following correctly expresses the vector using unit vectors in Cartesian coordinates?
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Table of contents
- 0. Math Review
- 1. Intro to Physics Units
- 2. 1D Motion / Kinematics
- Vectors, Scalars, & Displacement
- Average Velocity
- Intro to Acceleration
- Position-Time Graphs & Velocity
- Conceptual Problems with Position-Time Graphs
- Velocity-Time Graphs & Acceleration
- Calculating Displacement from Velocity-Time Graphs
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- Graphing Position, Velocity, and Acceleration Graphs
- Kinematics Equations
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- Catch/Overtake Problems
- 3. Vectors
- Review of Vectors vs. Scalars
- Introduction to Vectors
- Adding Vectors Graphically
- Vector Composition & Decomposition
- Adding Vectors by Components
- Trig Review
- Unit Vectors
- Introduction to Dot Product (Scalar Product)
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- Intro to Cross Product (Vector Product)
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3. Vectors
Unit Vectors
Back3. Vectors
Unit Vectors
- Multiple Choice
A = (4.0 m)i + (3.0 m)j and B = (−13.0 m)i + (7.0 m)j. You add them together to produce another vector C.
(a) Express this new vector C in unit-vector notation.
(b) What are the magnitude and direction of C?1549views26rank3comments - Textbook Question
In each case, find the x- and y- components of vector A: A = 11.2j - 9.91i
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