Motion: Speed, Velocity, & Acceleration

Front

What is average speed?

Back

Total distance divided by total time.

Front

What must velocity include?

Back

A measurement of speed and direction.

Front

Is a car speeding up at a green light an example of acceleration?

Back

Yes.

Front

How do you calculate average speed?

Back

Average speed = Total distance / Total time.

Front

What is the formula to calculate distance?

Back

Distance = Speed × Time.

Front

What is instantaneous speed?

Back

The speed of an object at a specific moment in 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 is acceleration?

Back

The rate of change of velocity over time.

Front

If a runner completes a 100 meter dash in 10 seconds, what is her average speed?

Back

10 m/s.

Front

What does a negative acceleration indicate?

Back

An object is slowing down.