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Quiz Chapter 9: Speed and Acceleration

10 questions · Form 2 Mathematics Bab 9: Speed and Acceleration

Question 1 of 10Score: 0

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

Full Question List & Answer Key

Prefer reading to quizzing? All 10 questions are listed below with the answer and explanation under each one.

1. 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
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Answer: A

Distance = Speed * Time = 8 m/s * 30 s = 240 m.

2. 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
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Answer: A

Acceleration = 10 - 24 = 84 = 2 m/s².

3. 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
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Answer: A

72 km/h² = 72 * 1000 m3600 * 3600 s² = 7200012960000 = 0.00556 m/s².

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

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

72 km/h = 72 * 1000 m3600 s = 720003600 = 20 m/s.

5. Which SI unit is commonly used for acceleration?

  1. m/s²
  2. m/s
  3. km/h
  4. m*s
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Answer: A

The standard SI unit for acceleration is meters per second squared (m/s²).

6. 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
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Answer: A

Time = 4060 = 23 hours. Distance = 90 * (23) = 60 km.

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
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Answer: A

Time = Distance / Speed = 250100 = 2.5 hours.

8. 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
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Answer: A

Average Speed = 400 m50 s = 8 m/s.

9. 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
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Answer: A

Non-uniform speed occurs when an object covers unequal distances in equal time intervals.

10. 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
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Answer: A

t = v - ua = 10 - 20-2 = -10 / -2 = 5 seconds.

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