Speed Velocity Acceleration

Front

What is Speed?

Back

Speed refers to how fast an object is moving.

Front

What is Velocity?

Back

Velocity is speed in a given direction.

Front

What is Acceleration?

Back

Acceleration is the rate of change of velocity.

Front

What are the units of Acceleration?

Back

Front

What is the formula for average speed?

Back

Average speed is calculated as total distance divided by total time.

Front

If an object falls for 3 seconds, how fast is it falling?

Back

It will be falling at 29.4 m/s.

Front

What happens to free-falling objects?

Back

Free-falling objects accelerate at -9.8 m/s^2.

Front

What is the average speed of a tennis ball rolled 18 meters in 6 seconds?

Back

The average speed is 3 m/s.

Front

What is the difference between speed and velocity?

Back

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

Front

What does a negative acceleration indicate?

Back

Negative acceleration indicates that an object is slowing down.