Practice MCQs For Speed, Velocity & Acceleration

This quiz contains practice questions for Speed, Velocity & Acceleration (O Level). There are explanations for some of the questions after you submit the quiz. If you could not figure out why a particular option is the answer, feel free to drop a comment below or ask a question in ‘O’ & ‘A’ Level Discussion section of the forum. If you wish to contribute questions to this quiz, please contact us.

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1. A ticker tape timer produces 50 dots on a tape in 1 second. Below is a portion of the tape:

 

How long was the time taken to produce the above strip?

1 second

0.02 seconds

0.22 seconds

0.20 seconds

2. A ball is thrown downwards at a velocity of 8 m/s and bounces upwards. Which of the following is its velocity-time graph?

[Assume no air resistance or energy lost and take downwards motion as positive direction]

 

4) None of the above

 

2)

4)

3)

1)

3. A ball is thrown vertically upwards at an initial speed of $23 \, \text{m s}^{-1} $. How long does it take for the ball to reach the ground again? $ \left( g = 10 \, \text{m s}^{-2} \right) $

6.4 seconds

2.3 seconds

4.6 seconds

3.2 seconds

4. A car driver plans to take a total of two hours to make a journey of 75 km. The driver allocated a rest time of 45 mins in the middle of the journey.

At what average speed must the driver travel during the rest of the time if she wants to complete the journey in the two hours?

38 km/h

50 km/h

75 km/h

60 km/h

5. Which of the following statements about this displacement-time graph is correct?

The object travels at constant speed.

The object travels at constant velocity.

The object travels at constant acceleration.

The object is stationary.

6. A car accelerates from $12 \, \text{m s}^{-1} $ to $2 \, \text{m s}^{-1} $ over a period of 5 seconds. What is its acceleration?

$-2 \, \text{m s}^{-1} $

$-1 \, \text{m s}^{-1} $

$2 \, \text{m s}^{-1} $

$1 \, \text{m s}^{-1} $

7. A car accelerates from $3 \, \text{m s}^{-1} $ to $9 \, \text{m s}^{-1} $ in 2 seconds. What is its average speed?

$6 \, \text{m s}^{-1} $

$9 \, \text{m s}^{-1} $

$12 \, \text{m s}^{-1} $

$3 \, \text{m s}^{-1} $

8. A steel ball is released just below the surface of thick oil in a cylinder.

During the first few centimetres of travel, what is the acceleration of the ball?

increasing

constant and equal to $10 \text{ ms}^{-2}$

constant but less than $10 \text{ ms}^{-2}$

decreasing

9. The average speed of a car is $35 \text{ km h}^{-1}$. How far can it travel in 45 minutes?

129 km

0.78 km

26.25 km

467 km

10. A car travels 9 km southwards, followed by another 5 km southwards. What is the magnitude of its distance and displacement?

Distance: 14 km Displacement: 4 km

Distance: 14 km Displacement: 14 km

Distance: 4 km Displacement: 14 km

Distance: 4 km Displacement: 4 km

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