Vectors

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

If a car moves 12 km North, 19 km East, and 12 km South, what is its displacement?

• 12 km
• 19 km, East
• 31 km
• 43 km, East

A hiker walks 5 kilometers due north and then 7 kilometers due east. What is her total displacement?

• 2 km

• 8.6 km

• 12 km

• 12.6 km

Which of these is not a vector quantity? 

• displacement 
• time
• velocity 
• acceleration

To find the magnitude of a vector you use which formula

• inverse sine

• graphical analysis

• pythagorean theorem

• slope

A car moved 60 km East and 90 km West. What is the displacement?

• 30 km, West

• 60 km. East

• 90 km

• 150 km

The president’s airplane, Air Force One, flies at 250 m/s to the east with respect to the air. The air is moving at 35 m/s to the north with respect to the ground. Find the velocity of Air Force One with respect to the ground.

• 252 m/s
• 222 m/s
• 435 m/s
• 125 m/s

A motorboat, which has a speed of 5 meters per second in still water, is headed east as it crosses a river flowing south at 3.3 meters per second. What is the magnitude of the boat’s resultant velocity with respect to the starting point?

• 3.3 m/s
• 5.0 m/s
• 6.0 m/s
• 8.3 m/s