Vectors and Parametrics Review

Find the angle between the two vectors:

• -0.789
• 142.1
• 100
• 0.789

Tags

CCSS.HSG.SRT.D.11

CCSS.HSN.VM.A.1

CCSS.HSN.VM.A.2

Find the direction of the vector <-3, -5>.

• 59.03°
• 239.03°
• 210.96°
• 120.96°

Find the dot product of <1, -2> and <3, 2>.

• 1
• <3, -4>
• <4, 0>
• -1

Find the angle between vectors <1,3> and <2,-5>.

• 40.24°
• 49.76°
• 139.76°
• 92.57°

Tags

CCSS.HSN.VM.A.1

How do you know if two vectors are orthogonal?

• Their sum is 0.
• The dot product is 1.
• The angle between them is 0°.
• The dot product is 0.

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.GPE.B.5

CCSS.HSN.VM.A.1

Find the direction angle for the vector <-8, 3>

• 159.44°
• 200.56°
• 110.56°
• 249.44°

The work W done by a constant force F is acting along the line of motion of an object is represented by a vector.

• True 
• False

What type of quantity is produced by the dot product of two vectors?

• scalar
• vector

• 69
• 63
• 57
• -27

A heavy crate is dragged 50 feet along a level floor. Find the work done if a force of 30 pounds at an angle of 42 degrees is used.

• 1818.65

• 809.912

• 1114.72