Speed

Front

What is speed?

Back

The rate at which an object changes position.

Front

What is velocity?

Back

Speed in a given direction.

Front

How do we calculate speed?

Back

speed = distance divided by time.

Front

What two things must be measured to find an object's velocity?

Back

Speed and direction.

Front

What is the unit of speed?

Back

Miles per hour (mph) or kilometers per hour (km/h).

Front

If a car travels 60 miles in 1 hour, what is its speed?

Back

60 mph.

Front

What is the difference between speed and velocity?

Back

Speed is how fast something is moving, while velocity includes direction.

Front

What does it mean to say an object is moving at a constant speed?

Back

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

Front

If a runner completes a 5-mile race in 50 minutes, what is their speed?

Back

6 mph.

Front

What is acceleration?

Back

The rate at which an object changes its speed.