Y9 Ch 2 Test

• A

• B

• C

• D

A tunnel has a length of 50 km. A car takes 20 min to travel between the two ends of the tunnel. What is the average speed of the car?

• 2.5 km/h

• 16.6 km/h

• 150 km/h

• 1000 km/h

• A

• B

• C

• D

• A

• B

• C

• D

• A

• B

• C

• D

A boy runs 400 m at an average speed of 4.0 m/s

He runs the first 200 m in 40 s. How long does he take to run the second 200 m?

• 60 s

• 66.7 s

• 80 s

• 140 s

• A

• B

• C

• D

• A

• B

• C

• D

What is happening at E?

• Stationary

• decelerating

• steady speed; moving away from the starting position

• steady speed; returning to start position

The diagram shows the speed-time graph of a car. Which represents the distance traveled while the car is accelerating?

• X

• X + Y

• Y

• Y - X