JAMB Physics 2011 Objective — Question 6
Question 6 of 49 from the Joint Admissions and Matriculation Board (JAMB) Physics 2011 Objective paper, with the correct answer and a full explanation.
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If it takes an object 3s to fall freely to the ground from a certain height, what is the distance covered by the object? [g=10ms⁻²]
- A. A. 45 mCorrect
- B. B. 60 m
- C. C. 90m
- D. D. 30m
Explanation
Using s = ut + ½at², with u=0, a=10ms⁻², t=3s: s = 0 + ½x10x3² = 45m.
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