Reference Displacement Distance Problems

The scientific (SI) unit for measuring distance is the ________ .

• mile
• foot
• kilometer
• meter

There are _____ centimeters in a meter.

• 10
• 100
• 1,000
• 10,000

What describes a vector best?

• Magnitude

• Magnitude and unit

• Magnitude, unit, and direction

• Direction

Displacement is distance combined with

• direction
• speed
• velocity
• magnitude

Because displacement has a magnitude and direction it is called a ______. 

• distance
• vector
• arrow
• length

Distance and direction of an object's change in position from a starting point

• displacement
• distance
• motion
• reference point

David walks 3 km north, and then turns east and walks 4 km. What is the distance?

• 7 km
• 3 km
• 4 km
• 1 km

Bill runs 400 meters to Andy's house, turns around, and runs 400 meters back home.  What is Bill's distance?

• 0 meters
• 400 meters
• 800 meters
• 1600 meters

Bill runs 400 meters to Andy's house, turns around, and runs 400 meters back home.  What is Bill's displacement?

• 0 meters
• 400 meters
• 800 meters
• 1600 meters

Jerry walked from home to school, then from the school to the park. What is his total distance?

• 2 km

• 5 km

• 8 km

• 10 km