Math Problem Statement
Four vectors start at the origin of the x y axes labeled O. Vector A is directed along the negative y axis and has a length of 8.00 meters. Vector B is located in the first quadrant, it makes an angle of 30.0 degrees with the positive y axis and has a length of 15.0 meters. Vector C is located in the third quadrant, it makes an angle of 25.0 degrees with the negative x axis and has a length of 12.0 meters. Vector D is located in the second quadrant, it makes an angle of 53.0 degrees with the negative x axis and has a length of 10.0 meters. - Four vectors starting at the origin
Compute the x- and y-components of the vectors A⃗, B⃗, C⃗, and D⃗ in (Figure 1).
Express your answer in meters.
Solution
To find the - and -components of the vectors , , , and , we will use trigonometry. Each vector's components can be found using the following formulas:
- For a vector with magnitude and angle from the x-axis:
Given the directions and angles, let's break down each vector:
Vector :
- Length: 8.00 meters
- Direction: Along the negative -axis
- Angle: (measured from the positive -axis)
Vector :
- Length: 15.0 meters
- Direction: Makes a angle with the positive -axis
- Angle: (relative to the positive -axis)
Vector :
- Length: 12.0 meters
- Direction: Makes a angle with the negative -axis
- Angle: (relative to the positive -axis)
[ \mathbf{C}_y = 12.0 \sin(205^\circ) = 12.0 \times \sin(205^\circ) \approx -5.07 \text
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Math Problem Analysis
Mathematical Concepts
Trigonometry
Vectors
Formulas
x-component formula: r * cos(theta)
y-component formula: r * sin(theta)
Theorems
-
Suitable Grade Level
High School
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