
Understanding Orthogonal Unit Vectors

Interactive Video
•
Mathematics, Physics
•
9th - 12th Grade
•
Hard

Jackson Turner
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in finding two unit vectors orthogonal to both vector V and vector W?
Find the cross product of V and W
Calculate the dot product of V and W
Normalize vector V
Normalize vector W
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are the orthogonal unit vectors represented graphically in relation to vectors V and W?
They are at a 45-degree angle to V and W
They are identical to V and W
They are perpendicular to both V and W
They are parallel to both V and W
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What method is used to evaluate the 3x3 determinant for the cross product?
Gaussian elimination
Cramer's rule
Row reduction
Expansion by minors
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which components are eliminated to find the elements of the 2x2 determinant for vector I?
Row one and column one
Row two and column three
Row one and column two
Row three and column one
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula used to calculate the determinant of a 2x2 matrix?
a / d - b / c
a * b - c * d
a + b - c + d
a * d - b * c
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the magnitude of the cross product vector A?
Square root of 3
Square root of 537
Square root of 179
Square root of 79
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the first unit vector orthogonal to both vectors V and W determined?
By subtracting vector A from its magnitude
By adding vector A to its magnitude
By multiplying vector A by its magnitude
By dividing vector A by its magnitude
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