Week 3
- Vector
- Property w/ magnitude and direction.
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Displacement
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Velocity
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Acceleration
- Scalars
- Property with only a magnitude.
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Time
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Speed
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Temp
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Volume
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Concentration
Project vectors using their components onto the x and y axis.
- Can go backwards to turn components back into a vector.
y-component = hypotenuse sin θ x-component = hypotenuse cos θ.
Getting Vector from Components
- Magnitude of Vector
- v or A = sqrt(Aₓ² + Aⱼ²)
- Direction of Vector
- tan⁻¹θ = Aⱼ / Aₓ
Connecting Vectors
- Adding Vectors
- You can add 2 non-connecting vectors if you translate 1 so they touch.
- Subtracting Vectors
- You can substract vectors by adding the negative.
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- Negating Vectors
- Flip the head and the tail.