Speed and Motion Flashcard 2

Front

What is displacement?

Back

The difference between an object's final position and its starting position.

Front

What does 5 m/s west describe?

Back

Velocity.

Front

Velocity is speed with __________________________.

Back

Direction.

Front

Is a deer running 15 meters per second due west a speed or velocity?

Back

Vector.

Front

What is the speed of an object that travels 60 meters in 4 seconds?

Back

15 m/s.

Front

What is speed?

Back

The rate at which an object is moving, regardless of direction.

Front

What is the formula for calculating speed?

Back

Speed = Distance / Time.

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 unit is commonly used to measure speed?

Back

Meters per second (m/s).

Front

What is a scalar quantity?

Back

A quantity that has only magnitude and no direction.