Quiz Chapter 9: Speed and Acceleration

1. Convert 15 m/s into km/h.

1. 54 km/h
2. 45 km/h
3. 60 km/h
4. 36 km/h

2. A lorry decelerates at 2 m/s² from 20 m/s to 10 m/s. How long did this take?

1. 5 seconds
2. 10 seconds
3. 4 seconds
4. 2.5 seconds

3. A car travels at 90 km/h for 40 minutes. Calculate the distance traveled in km.

1. 60 km
2. 36 km
3. 3600 km
4. 225 km

4. An athlete accelerates from 2 m/s to 10 m/s in 4 seconds. Calculate the acceleration.

1. 2 m/s²
2. 3 m/s²
3. 4 m/s²
4. 2.5 m/s²

5. A car travels a distance of 180 km in 2 hours. What is its speed in km/h?

1. 90 km/h
2. 360 km/h
3. 60 km/h
4. 100 km/h

6. Find the speed of a jet that flies 1800 km in 2 hours 30 minutes.

1. 720 km/h
2. 900 km/h
3. 750 km/h
4. 800 km/h

7. Convert an acceleration of 72 km/h² to m/s².

1. 0.00556 m/s²
2. 20 m/s²
3. 0.2 m/s²
4. 2 m/s²

8. An object moving at a uniform speed of 15 m/s has an acceleration of:

1. 0 m/s²
2. 15 m/s²
3. 1 m/s²
4. Cannot be determined

9. If a vehicle maintains a constant speed of 25 m/s, how far will it travel in 1 minute?

1. 1500 m
2. 25 m
3. 250 m
4. 150 m

10. An object accelerates from rest (0 m/s) to 24 m/s in 6 seconds. Find its acceleration.

1. 4 m/s²
2. 144 m/s²
3. 6 m/s²
4. 2 m/s²