Motion

The location of a place or an object is called its....

• position
• motion
• speed
• reference point

The change of position over time is called

• position
• motion
• speed
• location

Speed is equal to the distance divided by

• position
• time
• height
• motion

The unit speed is measured in is

• m/s
• ft/min
• m/hr
• m/s^2

A wheelchair racer completes a 100 meter course in 20 seconds. What is his speed?
d= 100 m
t= 20 s

• 10 m/s
• 5 m/s
• 2 m/s
• 0 m/s

Speed in a specific direction is called

• speed
• acceleration
• position
• velocity

A vector is a quantity that has both size and 

• speed
• altitude
• acceleration
• direction

Lexi runs west for 1600 meters over the course of 400 seconds. What is Lexi's velocity
d = 1600 meters
t = 400 seconds

• 4 m/s
• 4 m/s to the west
• 40 m/s
• 40 m/s to the west 

If a train travels 30 km/h north then turns around and travels 27 km/h back south, how far is the train from its original location?

• 1 km
• 3 km
• 57 km
• 4 km

If a train slows down what type of acceleration does it have

• positive
• negative
• none