Quiz Chapter 9: Speed and Acceleration

1. 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

2. Convert 72 km/h into m/s.

1. 20 m/s
2. 25 m/s
3. 15 m/s
4. 30 m/s

3. A runner completes a 400 m track in 50 seconds. Find the average speed of the runner.

1. 8 m/s
2. 10 m/s
3. 6 m/s
4. 12 m/s

4. What is the definition of non-uniform speed?

1. Travelling unequal distances in equal intervals of time
2. Travelling equal distances in equal intervals of time
3. Moving in a curved path at fixed speed
4. Remaining stationary over time

5. A bus travels 60 km in the first hour and 80 km in the next two hours. What is the average speed for the entire journey?

1. 46.67 km/h
2. 70 km/h
3. 50 km/h
4. 140 km/h

6. A cyclist moves at a constant speed of 8 m/s for 30 seconds. Calculate the total distance traveled.

1. 240 m
2. 120 m
3. 3.75 m
4. 24 m

7. How long does a train travelling at 100 km/h take to cover a distance of 250 km?

1. 2.5 hours
2. 2 hours
3. 3 hours
4. 2.25 hours

8. 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

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

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

10. A motorcycle accelerates at 3 m/s² from an initial speed of 10 m/s for 4 seconds. What is its final speed?

1. 22 m/s
2. 12 m/s
3. 17 m/s
4. 24 m/s