JAMB Physics 2025 Objective — Question 7
Question 7 of 40 from the Joint Admissions and Matriculation Board (JAMB) Physics 2025 Objective paper, with the correct answer and a full explanation.
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A motorist at 20 ms⁻¹ sees a child 50 m ahead and decelerates at 5 ms⁻². The stopping distance is:
- A. 10 m
- B. 20 m
- C. 40 mCorrect
- D. 60 m
Explanation
v²=u²+2as → 0=400-10s → s=40 m.
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