Neco 2025 Geography Question 18
Practice objective / multiple choice question 18 from the 2025 Neco Geography examination.
A cubic block of granite (density \(2700\) kg·m\(^{-3}\)) initially measures \(2\) m on each side. It loses mass by chemical weathering at a rate proportional to its surface area. On day one the block loses \(0.5\) kg. Assuming the block remains a cube as it shrinks uniformly, after how many days will its side length be reduced to \(1.5\) m? Give your answer in days (rounded to the nearest whole day).
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About This Question
This is Neco 2025 Geography Question 18. It is one of the objective questions from the 2025 Neco Geography examination.
Difficulty level: Medium .
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