Given a vector find the unit vector u and check your answer

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Mathematics
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11th Grade - University
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the components of vector V in the example discussed?
(5, 2)
(8, 4)
(4, 8)
(2, 5)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can dividing by a number be expressed in terms of multiplication?
By multiplying by the reciprocal of the number
By adding the number
By subtracting the number
By dividing by the reciprocal of the number
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the simplified form of the vector after distributing the scalar 1 / 4 sqrt 5?
(2 / sqrt 5, 4 / sqrt 5)
(4 / sqrt 5, 2 / sqrt 5)
(1 / sqrt 5, 2 / sqrt 5)
(2 / sqrt 5, 1 / sqrt 5)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the magnitude of a unit vector?
1
0
5
sqrt 5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it unnecessary to rationalize the denominator in vector operations?
It is mathematically incorrect
It does not affect the vector's properties
It changes the vector's direction
It makes calculations more complex
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