JAMB Physics 2017 Objective — Question 21
Question 21 of 40 from the Joint Admissions and Matriculation Board (JAMB) Physics 2017 Objective paper, with the correct answer and a full explanation.
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Calculate the time taken for a mango fruit that fell from the tree 20m to the ground. [g=10ms⁻²]
- A. A. 5s
- B. B. 10s
- C. C. 4s
- D. D. 2sCorrect
Explanation
s=½gt²: 20=½x10xt², t²=4, t=2s.
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