6.8 C Calculate Avg Speed

A student kicks a soccer ball three times. Another student records the distance, the amount of time the ball travels, and the average speed in the table shown.

How many seconds did it take for the ball to travel 30 m during Kick 3?

• 0.5 s

• 1.0 s

• 1.5 s

• 2.0 s

The graph shows the motion of a ball rolling on a straight track.

What was the ball's average speed during the time represented in the graph?

• 0.2 m/s

• 0.5 m/s

• 5.0 m/s

• 10.0 m/s

A bus travels 20 km in 30 minutes. What is the average speed of the bus?

• 20 km/h

• 30 km/h

• 40 km/h

• 50 km/h

Some students were investigating the speed of a toy car they built. They performed two trials and recorded their data in the table.

What was the average speed of the toy car during the two trials to the nearest tenth of a m/s?

• 0.7 m/s

• 1.4 m/s

• 22.4 m/s

• 35 m/s

A student walk 2 km in 30 minutes. What is the student's average speed in km/h?

• 30 km/h

• 15 km/ h

• 4 km/h

• 32 km/h

• 0.36

• 2.25

• 2.7

• 3.4