10/21 8th Speed and Graphs

Front

What is average speed?

Back

Average speed is the total distance traveled divided by the total time taken.

Front

How do you calculate speed?

Back

Speed is calculated using the formula: Speed = Distance / Time.

Front

What is the unit of speed in the metric system?

Back

The unit of speed in the metric system is meters per second (m/s) or kilometers per hour (km/h).

Front

If a toy car travels 240 cm in 60 seconds, what is its average speed?

Back

4 centimeters per second.

Front

What is the speed of an object that travels 450 miles in 2 hours?

Back

225 miles per hour.

Front

How do you convert kilometers per hour to meters per second?

Back

To convert km/h to m/s, divide the speed by 3.6.

Front

What does a flat line on a distance-time graph indicate?

Back

A flat line indicates that the object is stationary.

Front

At which point in a distance-time graph is the object moving the fastest?

Back

The steepest slope on the graph indicates the fastest speed.

Front

What is the average speed of a car that traveled 160 kilometers in 5 hours?

Back

32 kilometers per hour.

Front

What does a steep slope on a distance-time graph represent?

Back

A steep slope represents a high speed.