WAEC Physics 2017 Objective — Question 8
Question 8 of 50 from the West African Examinations Council (WAEC) Physics 2017 Objective paper, with the correct answer and a full explanation.
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The average speed of an object is determined by dividing the sum of its initial and final speeds by two only when the acceleration is
- A. A. changing
- B. B. uniformCorrect
- C. C. increasing
- D. D. decreasing
Explanation
When the acceleration is uniform, the average speed is determined by directly summing its initial and final speeds by two.
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