Vector operations

The x-component of vector

 $\overrightarrow{T}=27.73,\ \ \propto=43.84°,\ \ \beta=64.35°,\ \gamma=57.25°$  is...

•  $\approx$  43.84

•    $\approx$  12

•  $\approx$  20

•  $\approx$  27.73

The z-component of vector

 $\overrightarrow{M}=3i-2j+7k$  is....

• 3

• -2

• 27.25°

• 7

The magnitude of vector

 $\overrightarrow{M}=3i-2j+7k$  is....

• 62

• 7.87

• 27.25°

• 7

The y-component of vector

 $\overrightarrow{T}=27.73,\ \ \propto=43.84°,\ \ \beta=64.35°,\ \gamma=57.25°$  is...

•  $\approx$ 12

•    $\approx$  15

•  $\approx$  20

•  $\approx$  57.25

The magnitude of vector

 $\overrightarrow{K}=40i-12j+20k$  is....

• 2144

• 40

• 43.08

• 46.30

The addition

 $\left(\overrightarrow{A}+\overrightarrow{B}\right)$ 

  of the following vectors  $\overrightarrow{A}=\left(15,\ 3,\ 2\right)\ \ \ and\ \ \ \overrightarrow{B}=\left(-5,\ 2,\ -9\right)$  is...

•  $\overrightarrow{R}=\left(10,5,-7\right)$  

•  $\overrightarrow{R}=\left(20,5,-7\right)$  

•  $\overrightarrow{R}=\left(20,1,11\right)$  

•  $\overrightarrow{R}=\left(10,1,11\right)$  

The subtraction

 $\left(\overrightarrow{A}-\overrightarrow{B}\right)$ 

  of the following vectors  $\overrightarrow{A}=\left(15,\ 3,\ 2\right)\ \ \ and\ \ \ \overrightarrow{B}=\left(-5,\ 2,\ -9\right)$  is...

•  $\overrightarrow{R}=\left(10,5,-7\right)$  

•  $\overrightarrow{R}=\left(20,5,-7\right)$  

•  $\overrightarrow{R}=\left(20,1,11\right)$  

•  $\overrightarrow{R}=\left(10,1,11\right)$  

The dot product

 $\left(\overrightarrow{A}\cdot\overrightarrow{B}\right)$ 

  of the following vectors  $\overrightarrow{A}=\left(15,\ 3,\ 2\right)\ \ \ and\ \ \ \overrightarrow{B}=\left(-5,\ 2,\ -9\right)$  is...

• 99

• 63

• -51

• -87