Doubling an inverse-square input
Doubling an inverse-square input
Secondary 2
3 marks
TGM Original Questions
Optional extension
The quantity \(p\) is inversely proportional to \(q^2\). If \(p=10\) for one value of \(q\), find \(p\) when that \(q\)-value is doubled.[3]
Solution:
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Answer:\(p=2.5\).
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