All Common Core: High School - Number and Quantity Resources
Example Questions
Example Question #191 : High School: Number And Quantity
Calculate
, where . Also determine the direction of the resulting vector.
Possible Answers:
, Direction is away from .
, Direction is away from .
, Direction is the same as .
, Direction is away from .
, Direction is the same as .
Correct answer:
, Direction is away from .
Explanation:
In order to solve the first part of the problem, we need to remember how to take the magnitude of a vector and scalar.
, where is a scalar.
Now lets calculate this.
As for the direction of the vector, since
, the resulting vector will be against the original vector .See below for a picture.
Example Question #192 : High School: Number And Quantity
Calculate
, where . Also determine the direction of the resulting vector.
Possible Answers:
, Direction is away from .
, Direction is the same as .
, Direction is away from .
, Direction is away from .
, Direction is the same as .
Correct answer:
, Direction is the same as .
Explanation:
In order to solve the first part of the problem, we need to remember how to take the magnitude of a vector and scalar.
, where is a scalar.
Now lets calculate this.
As for the direction of the vector, since
, the resulting vector will be in the same direction as the original vector .See below for a picture.
All Common Core: High School - Number and Quantity Resources
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