Speed and Velocity

Front

What is speed?

Back

Speed is how much distance is covered over a period of time.

Front

What is velocity?

Back

Velocity is speed in a specific direction.

Front

How do you calculate speed?

Back

Speed = Distance / Time.

Front

A runner races 100 meters in 10 seconds. What is her average speed?

Back

10 m/s.

Front

A runner runs 40 meters in 8 seconds. What is the speed?

Back

5 m/s.

Front

What two measurements are necessary for calculating speed?

Back

Distance and time.

Front

What is the unit of speed in the metric system?

Back

Meters per second (m/s).

Front

If a car travels 150 kilometers in 3 hours, what is its average speed?

Back

50 km/h.

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 does it mean if an object has a constant speed?

Back

It means the object covers equal distances in equal intervals of time.