What is the magnitude of vector v?

Vector Components and Trigonometry

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

Emma Peterson
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
48
36
24
12
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which quadrant does the vector lie if it makes a 245.7-degree angle with the positive x-axis?
Fourth
Third
Second
First
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are both the x and y components of the vector negative?
Because the vector is in the first quadrant
Because the vector is in the second quadrant
Because the vector is in the third quadrant
Because the vector is in the fourth quadrant
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for the x component of a vector given its magnitude and angle?
Magnitude divided by sine of the angle
Magnitude times cosine of the angle
Magnitude times sine of the angle
Magnitude divided by cosine of the angle
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for the y component of a vector given its magnitude and angle?
Magnitude divided by cosine of the angle
Magnitude divided by sine of the angle
Magnitude times cosine of the angle
Magnitude times sine of the angle
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the approximate value of the x component of the vector?
-9.88
-21.87
21.87
9.88
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should you ensure about your calculator before calculating trigonometric values?
It is in standard mode
It is in degree mode
It is in radian mode
It is in scientific mode
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