11/22 7th Speed and Graphs

Front

What is speed?

Back

The distance an object travels per unit of time.

Front

Which soccer ball is faster if Soccer ball A travels 15 m in 3 seconds and Soccer ball B travels 12 m in 2 seconds?

Back

Soccer Ball B is faster.

Front

What is the formula for calculating speed?

Back

Speed = distance/time (distance divided by time).

Front

What is the speed of an object that travels 30 km in 2 hours?

Back

15 km/hr.

Front

How far has the object traveled in 7 seconds if the graph shows a distance of 5.1 m?

Back

5.1 m.

Front

What is the unit of speed?

Back

Meters per second (m/s) or kilometers per hour (km/h).

Front

What does a steeper slope on a distance-time graph indicate?

Back

A steeper slope indicates a higher speed.

Front

If an object travels 100 meters in 10 seconds, what is its speed?

Back

10 m/s.

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 acceleration refer to?

Back

The rate of change of velocity per unit of time.