Speed Practice

Front

What is speed?

Back

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

Front

What are the units for measuring speed?

Back

Common units for speed include miles per hour (mph) and kilometers per hour (km/h).

Front

How do you calculate speed?

Back

Speed = Distance / Time.

Front

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

Back

50 miles per hour.

Front

What is the speed of the Island of Moloka'i if it traveled 29,000,000 cm in 1,800,000 years?

Back

16.1 cm/yr.

Front

What is the speed of a tornado that covers 350 miles in 3.5 hours?

Back

100 miles per hour.

Front

What does a speed graph show?

Back

A speed graph shows how distance changes over 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 a scalar quantity?

Back

A scalar quantity is a physical quantity that has only magnitude, such as speed.

Front

What is a vector quantity?

Back

A vector quantity is a physical quantity that has both magnitude and direction, such as velocity.