Math Problem Statement
Vx=−4.5cos60∘+3.0, Vy=4.5sin60∘ solve into magnitude and direction
Solution
To solve for the magnitude and direction of a vector given its components and , we can follow these steps:
1. Break down the components:
Now, let's calculate these values.
Step 1: Calculate
Since :
Step 2: Calculate
Since :
2. Find the magnitude of the vector:
The magnitude of the vector is given by: Substituting the values of and :
3. Find the direction of the vector:
The direction of the vector is given by: Substituting the values of and :
Final Answer:
- Magnitude:
- Direction: (above the positive x-axis)
Would you like more details or have any questions?
Here are 5 related questions:
- How does vector addition affect magnitude and direction?
- Can you find the resultant of two vectors with different angles?
- How would the vector change if were negative?
- What happens to the magnitude if the vector's components are scaled by a factor?
- How is the direction of a vector determined in different quadrants?
Tip: The magnitude of a vector always remains positive, while its direction depends on the signs of and .
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Math Problem Analysis
Mathematical Concepts
Trigonometry
Vector Components
Vector Magnitude
Vector Direction
Formulas
Vx = −4.5cos60° + 3.0
Vy = 4.5sin60°
|V| = √(Vx^2 + Vy^2)
θ = tan^(-1)(Vy/Vx)
Theorems
Pythagorean theorem (for vector magnitude)
Inverse tangent function (for vector direction)
Suitable Grade Level
Grades 10-12
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