BECE Basic Science 2024 Objective — Question 10
Question 10 of 120 from the Basic Education Certificate Examination (Junior WAEC) (BECE) Basic Science 2024 Objective paper, with the correct answer and a full explanation.
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What is the work done by gravity in joules, when a boy drops a stone of mass 22kg from a height of 12m? [g = 10 ms⁻²]
- A. 18.33
- B. 26.40
- C. 44.00
- D. 142.00
- E. 2640.00Correct
Explanation
Work = mgh = 22 x 10 x 12 = 2640 J.
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