Motion Basics

Front

What does a speedometer measure?

Back

Instantaneous speed.

Front

Which of these is a valid velocity reading for an object?

Back

60 m / s east.

Front

What would be the total displacement of a race car that wins the Daytona 500?

Back

0 miles.

Front

How is speed defined?

Back

Speed is defined as distance / time.

Front

What is an SI unit of speed?

Back

Meters / second.

Front

What is the difference between speed and velocity?

Back

Speed is a scalar quantity (magnitude only), while velocity is a vector quantity (magnitude and direction).

Front

What is the formula for calculating average speed?

Back

Average speed = total distance / total time.

Front

If an object moves 10 meters east and then 10 meters west, what is its displacement?

Back

0 meters.

Front

What is instantaneous speed?

Back

The speed of an object at a specific moment in time.

Front

What is the formula for calculating velocity?

Back

Velocity = displacement / time.