Vectors
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Last updated 2:28 PM on 12/24/23
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18 Terms
1
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What is a vector?
A quantity that has magnitude and direction
2
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What are the different fonts vectors are written in?
Bold print and underlined
3
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What type of vector is this?
Column vectors
4
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What are unit vectors?
When we use the components i and j
5
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What does the unit vector i mean?
i = 1 right
1
0
1
0
6
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What does the unit vector j mean?
j= 1 up
0
1
0
1
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Where do position vectors always start?
At the origin
8
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For position vectors, what are the coordinates the same as?
The coefficients of i and j
9
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When calculating vectors in parallelograms, what do you usually need to consider?
Equal vectors
Negative vectors
Negative vectors
10
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How would you represent the magnitude of vector **a** ?
**I** a **I**
11
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What formula do we tend to use to calculate the magnitude of vectors?
Pythagoras theorem
12
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How would we find the distance between two points with vectors?
Use position vectors
And then calculate magnitude- Pythagoras theorem
And then calculate magnitude- Pythagoras theorem
13
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Modelling with vectors recap
14
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Example 19
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Example 20 a,b
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Example 20 c,d
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What is the magnitude of the velocity vector?
Speed
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Summary of key points
