What are the components of vector a?

Triple Product Expansion and Dot Products

Interactive Video
•
Mathematics, Physics
•
11th Grade - University
•
Hard

Aiden Montgomery
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
i + 2j over the square root of 5
2i + j over the square root of 14
2i - j over the square root of 14
i - 2j over the square root of 5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main challenge in solving the problem using direct cross products?
It is computationally simple.
It is computationally intensive and prone to errors.
It is impossible to solve.
It requires no calculations.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the triple product expansion in this context?
To introduce new vectors.
To simplify the calculation by avoiding direct cross products.
To eliminate the need for dot products.
To make the problem more complex.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the triple product expansion, what does a cross b cross c simplify to?
a dot b times c minus b dot c times a
b dot c times a minus c dot a times b
a dot c times b minus b dot a times c
c dot a times b minus a dot b times c
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of a dot a for vector a?
5
0
1
2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of b dot b for vector b?
5
2
1
0
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of a dot b for vectors a and b?
1
2
0
5
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