Vector Algebra

What type of quantity is Work Done?

• Scalar

• Vector

• depends on its usage

• none of these

Parallel vectors have same direction

• false

• true

• can't be determined

• none of these

If two collinear vectors have the same magnitude they are equal

• true

• false

• depends on magnitude

• none of these

. $find\ the\ magnitude\ of\ \ 2i\ +3j-\sqrt{3}k$  

•  $\sqrt{22}$  

• 10

• 4

• 16

Vector a = 2i + 3j - 5k. What is the value of 3a?

• 3i + 3j - 3k

• 5i + 6j - 8k

• 6i + 9j -15k

• 6i + 6j - 15k

Tags

CCSS.HSN-VM.B.5A

CCSS.HSN-VM.B.5B

Given points A(3, 2, -4) and B(2, 1, -1), so the vector AB is

• i + 3j -5k

• -i -3j +3k

• i -j -5k

• -i -j +3k

Tags

CCSS.HSN.VM.A.2