Vector Addition and Decomposition

A car travels 90 meters due north in 15 seconds. Then the car turns around and travels 40 meters due south.  What is the magnitude and direction  of the car's resultant displacement?  

• 40 metres, South
• 50 metres, South
• 50 metres, North
• 40 metres, North 

Which statement describes a vector?

• It has magnitude but no direction
• It has direction but no magnitude
• It has both direction and magnitude
• It has constant magnitude but no
   direction

Tags

CCSS.HSN.VM.A.1

Is this a scalar quantity or a vector quantity?
Wind blowing at 20 knots

• Scalar
• Vector

Is this a scalar quantity or a vector quantity?
A deer running 15 meters per second due west

• Scalar
• Vector

What is the x component of the vector given in the diagram?

• 77N
• 92N
• 120N
• 60N

Tags

CCSS.HSN.VM.A.2

What is the y component of the vector given in the diagram?

• 77N
• 92N
• 120N
• 60N

Tags

CCSS.HSN.VM.A.2

When two vectors are added together, a _____________ can be drawn.

• vector
• resultant
• trajectory
• none of these 

How should you add two vectors?

• Add them head to tail
• Add them tail to tail
• Add them with the addition key

• A
• B
• C
• D

Which are equivalent vectors?

• u and -u
• u and a
• u and v
• u and b