WAEC Physics 2023 Objective — Question 47
Question 47 of 50 from the West African Examinations Council (WAEC) Physics 2023 Objective paper, with the correct answer and a full explanation.
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A body starts with an initial velocity of 20 ms⁻¹ and moves with a uniform acceleration, a, for 15 seconds. Which of the following equations represents the distance, S, travelled?
- A. S=300+225/2a
- B. S=300+2a/225
- C. S=300+225a/2Correct
- D. S=300a+225/2
Explanation
Using s=ut+½at²: s=20(15)+½a(15)² = 300 + 225a/2.
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