Motion

Which of the following is an example of velocity?

• The ducks fly 2 m/s south
• The ducks fly 2 meters in 1 second
• The ducks slow down as they land
• The ducks fly at a constant speed

Velocity is

• speed and acceleration
• constant speed
• a frame of reference
• speed in a given direction

Speed =

• distance / time
• time / distance
• distance * time
• Time/distance

Acceleration is

• increasing speed
• decreasing speed
• changing direction
• all of the above

What does this graph represent?

• Constant Speed
• Acceleration
• Not moving

A runner races in the 100 meter dash.  It takes her 10 seconds to finish.  What is her average speed?

• 10 m/s
• 1000 m/s
• 100 seconds
• 10 seconds

What does this graph represent?

• Constant speed
• Acceleration
• Not moving

Which runner stopped for a rest?

• Albert
• Bob
• Charlie

Which of the following is the correct unit for distance?

• Seconds
• Meters
• Meters per second
• Hours

Which of the following is an example of acceleration?

• The runner curves around the track.
• The runner runs 5 kilometers in 25 minutes. 
• The runner runs 10 km/hr north
• The runner runs at a constant speed