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WAEC WASSCE Physics 2019 past questions and answers

This 2019 WAEC WASSCE Physics set has 40 practice questions. Try these 5 free sample questions, tap a question to reveal the answer and explanation. Then practise the whole 2019 set with instant marking.

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Sample WAEC WASSCE Physics 2019 questions

1. A cyclist's velocity increases uniformly from 5 m/s to 17 m/s in 4 s; what is the acceleration?
  1. 3 m/s^2
  2. 4 m/s^2
  3. 5.5 m/s^2
  4. 12 m/s^2

Answer: A. 3 m/s^2

Acceleration is the change in velocity divided by time, (17 - 5)/4 = 3 m/s^2.

2. A bus travels 150 m in 12 s at constant speed; what is its speed?
  1. 10 m/s
  2. 12.5 m/s
  3. 18 m/s
  4. 25 m/s

Answer: B. 12.5 m/s

Speed equals distance divided by time, so 150/12 = 12.5 m/s.

3. A student walks 6 m east and then 8 m north; what is the magnitude of the resultant displacement?
  1. 2 m
  2. 8 m
  3. 10 m
  4. 14 m

Answer: C. 10 m

The perpendicular displacements give a resultant of sqrt(6^2 + 8^2) = 10 m.

4. What resultant force is required to give a 2 kg object an acceleration of 4 m/s^2?
  1. 2 N
  2. 6 N
  3. 4 N
  4. 8 N

Answer: D. 8 N

Newton's second law gives F = ma = 2 x 4 = 8 N.

5. An object falls from rest for 3 s; taking g as 10 m/s^2, what is its final speed?
  1. 30 m/s
  2. 15 m/s
  3. 10 m/s
  4. 3 m/s

Answer: A. 30 m/s

For motion from rest, v = gt = 10 x 3 = 30 m/s.

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