Vector Basics & Dot Product

by Notetube Official•25 questions•mixed•8 views

Try the first 5 questions

1.
A unit vector in the direction of **a** = 3**i** - 4**j** is:
2.
If **a** = **i** + **j** + **k** and **b** = 2**i** - **j** + 3**k**, then **a** . **b** equals:
3.
The angle between vectors **a** = **i** + **j** and **b** = **j** + **k** is:
4.
Vectors **a** = 2**i** + lambda**j** + **k** and **b** = **i** + 2**j** + 3**k** are perpendicular when lambda equals:
5.
The magnitude of vector **a** = 2**i** - 3**j** + 6**k** is:

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