Measuring Motion

Katie is running the 400 m dash. She finishes with a time of 100 seconds. What is her average speed?

• 40 m/s
• 10 m/s
• .25 m/s
• 4 m/s

What is a reference point?

• something that appears to stay in place
• something that appears to keep moving
• something that stays at the same velocity
• something that stays at the same acceleration

What is an object’s change in position over time called?

• speed
• acceleration
• friction
• motion

What can a mountain become for a hot air balloon flying past?

• a common reference point
• a common starting point
• a common finishing point
• a common midpoint

The distance traveled divided by the time taken to travel is ______________________

• meters
• speed

The SI unit for speed is ______________________ per second.

• meters
• speed

What is calculated by dividing total distance by total time?

• average distance
• average time
• average motion
• average speed

What can be shown on a graph of distance versus time?

• average distance
• average time
• average motion
• average speed

What is speed in a particular direction called?

• distance
• speed
• velocity
• acceleration

Which of the following could describe an airplane’s velocity?

• 600 km/h
• 600 mi/h
• 600 km/h south
• south